Does the speedometer of a car measure speed or velocity?

Cars & Vehicles

Velocity is the same as speed. Velocity is normally used in technical terms. Speed is a general term.

The SI unit for velocity is m/s =Metres per second.

People can relate better to Miles per Hour for a vehicle. It is still distance/Time.

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Does speedometer of a car measures its velocity?

No. The speedometer only displays speed. If it could show your direction at the sametime ... like with a gyro-compass or a GPS dial ... then you'd have velocity.Picture four different cars, all moving at 30 miles per hour ... one to the east, one tothe west, one north, and one south. All four of ...

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How does a speedometer of a car measure speed?

When the engine turns over, the driveshaft turns to make the wheels spin round.The speedometer cable, powered by the driveshaft, turns as well.The cable spins a magnet around at the same speed inside the speed cup.As the speed cup turns, it turns the pointer up the dial, indicating the car's speed.

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What type of speed does an automobile speedometer measure?

It reads instantaneous speed, and tells you nothing about average speed.

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How do you measure the speed of a car without a speedometer?

do you measure how far it will go and then time it

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How does a speedometer measure distances?

It doesn't.A speedo only measures the speed you're travelling at, at that particular moment.But you can get distance, if you stay at an even speed, and keep track of how long you've been going. Speed x time = distance. One hour at 50 MPH means 50 miles travelled. 1/2 hour at 50 MPH means 25 miles...

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What does a speedometer in a car measure?

Speed... More specifically mph or kph

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Does speedometer of a car read average speed?

The speedometer of a car reveals information about the instantaneous speed of your car.It shows your speed at a particular instant in time.On the average, your car was moving with a speed of 25 miles per hour.

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Does velocity equal speed?

Speed, being a scalar quantity, is the rate at which an object covers distance.The average speed is the distance (a scalar quantity) per time ratio.On the other hand, velocity is a vector quantity; it is direction-aware.Velocity is the rate at which the position changes.

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What measures speed of a car?

A sensor in the transmission, measures the output shaft speed.

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Does odometer in a car measure the average speed?

No, the odometer measures the distance traveled by a vehicle. The speedometer measures the speed at any given moment in time, but not the average speed.No. The odometer measures distance.

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How does speed affect velocity?

Changing the direction of motion will change the velocity of a moving body even though its speed is constant.Changing the speed of an object obviously changes its velocity.When the body speeds up its velocity also changes.When the moving body slows down its velocity also changes.

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What instrument measures the speed of a car?

The speedometer and speedometer cable tells the driver how fast the vehicle is going. What's called a Hall-Effect sensor is used. It uses the principle of magnetic inductance. When a magnetic flux passes through coils of wire, voltage is generated. To use this effect, a magnet is placed in the ca...

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Can you measure the speed of a car by ratio?

Yes. To do so, you will need your transmission gear ratios, your differential gear ratio and your tire circumference. You can derive the tire circumference by mutliplying its diameter by 3.1416 (pi). Example: At highway speed your RPM is 2000. Say your overdrive (5th gear) is 0.84:1, your differe...

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What is the unit of measurement for speedometer?

Speedometer measure thing in mph (Miles Per Hour) or kph (Kilometers Per Hour).

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What type of speed does the speedometer in a car show?

The speedometer shows the distance covered over a certain amount of time by a vehicle at a specific moment in time. Usually, it's in miles per hour or kilometres per hour.

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How is the speed of a car measured?

How speedometers work When the engine turns over, the driveshaft turns to make the wheels spin round.The speedometer cable, powered by the driveshaft, turns as well.The cable spins a magnet around at the same speed inside the speed cup. The spinning magnet creates eddy currents in the speed ...

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Your speedometer stops at a speed does my car top out at the same speed?

yea newer cars have a speed limiter, like my lancer, they top out at a certain speed to be safe. Usually around 100+ mph. by the way how fast are you driving to notice this? My car tops out at 115 and ive never reached it except at the track... So yeah slow down.

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Does a 1997 Nissan pathfinder have a speedometer cable or speed sensor where is it located?

it has a speed sensor. its located in the transmission on a 2wd model and in the transfer case of a 4wd model

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What kind of speed is read by a car speedometer?

The average speed of the vehicle relative to the road.Miles per hour.

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How to measure the speed of remote control car?

You can measure the speed of remote control car using a speedometer,GPS or radar gun. For more information check out traxxas.com/forums/showthread.php?8897772-What-s-the-cheapest-way-to-clock-the-speed-of-an-RC-car

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How does velocity relate to speed?

Velocity is a vector quantity; it has both magnitude (how fast an object is going) and direction.In this way, if a body changes direction, its velocity changes.Speed is a scalar quantity; it only has magnitude.It's value is equivalent to the magnitude of the velocity, just how fast an object is g...

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Why is velocity used instead of speed?

Velocity can be constant, or it can change (acceleration).Our real world example of navigation on the ocean used velocity for every vector.Velocity is a vector measurement because it has an amount and a direction.Speed is only an amount (a scalar).

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At what condition the magnitude of speed is equal to the velocity of a moving body?

so when the body moves in a straight line the average velocity is equal to average speed.Average velocity would be equal to average speed when the total distance travelled equals the net displacement of a particle.This happens when a particle moves along a straight line in a fixed direction.

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Whats a cars top speed if the speedometer say 145?

The speed of most cars today is limited by the computer, no matter what the speedometer says. My car's speedometer lists 140, but it actuality 120 is the top speed as the limiter kicks in and controls the speed by way of a fuel shut off.

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What does speedometer of a car indicates?

the average distance you will travel in an hour

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Can the laser gun accurately measure speed of a vehicle traveling away or across from a fixed position?

yes. but in new york state you can sometimes get out of speeding tickets if a cop didn't test them that day because they are supposed to be tested daily for accuracy and could possibly be off by 2 or 3 mph.

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What is the top speed of the Velocity the worlds fastest RC Car?

The Velocity can reach speeds of 200km/h, or 124/mph. It can also do 0-60 in under 3 seconds

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What does the speedometer of a car read?

The speedometer of a car shows its instantaneous speed (as we understand it) and not the average speed.Technically, instantaneous speed is also average speed, but calculated over a very, very small time period.Speed is nothing but a ratio of distance traveled and time taken.

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In which situation are both the speed and velocity of the car changing?

Acceleration is the rate at which velocity changes.So, an object accelerates if its speed, its direction, or both changes (unit is m/s2).An increase in velocity is commonly called positive acceleration.A decrease in velocity is commonly called negative acceleration, or deceleration.

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Is the magnitude of velocity equal to speed?

Speed is a scalar whereas Velocity is a vector.Average speed over a finite interval of time is greater or equal to the magnitude of the average velocity, instantaneous speed at an instant is equal to the magnitude of the instantaneous velocity at that instant.

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Is velocity the same as speed?

The short answer is that velocity is the speed with a direction, while speed does not have a direction.Speed is a scalar quantity—it is the magnitude of the velocity.Speed is measured in units of distance divided by time (e.g., miles per hour, feet per second, meters per second, etc.).

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Does the speedometer of a car read average?

The speedometer of a car shows its instantaneous speed (as we understand it) and not the average speed.Technically, instantaneous speed is also average speed, but calculated over a very, very small time period.Speed is nothing but a ratio of distance traveled and time taken.

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What gives cars the greatest speed and velocity?

Horsepower and aerodynamics

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Are velocity and speed the same thing?

Speed is the rate of motion, or the rate of change of position.It is expressed as distance moved (d) per unit of time(t).Speed is a scalar quantity with dimensions distance/time.Speed is measured in the same physical units of measurement as velocity, but does not contain an element of direction.

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Which radar is used to measure the speed of vehicles?

A radar gun measures speed of a moving object basically cops use them

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How does the height of a ramp affect the velocity of a toy car?

To investigate into how the height of a ramp affects the speed of a toy car rolled down it.Because the higher the ramp the more Gravitational Potential Energy(GPE), the more GPE the more kinetic energy converted and the car faster it will go.So that as the ramp increases, the velocity will also i...

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Why is speed in general greater than magnitude of velocity?

speed is directly proportional to the distance traveled by the body whereas, velocity is proportional to the magnitude of displacement.Since distance, in general, is greater than the displacement, Speed in general is greater than the magnitude of velocity.

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What does a speedometer of a car tell you?

nothing, it displays the speed of the vehicle in motion.

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What determines the power or speed of a car?

The engine or the Cylinder.

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What gives a car the greatest speed and velocity in its design?

Its aerodynamics and weight play major roles, but not the only factors.

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Will speedometer readings be more or less than actual speed when the cars wheels are replaced with smaller ones?

If the outside diameter of the new wheel (tire) is smaller then the tire will have to make more revolutions to equal what the manufacturer calibrated the spedometer to. The result would be your vehicle reading higher than actual speed. The solution it to make sure the vehicle is recalibrated to t...

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What is the velocity of car light?

The velocity of light coming from a cars lights will be the speed of light C in the substance in front of the lights. It wont be the speed of light+the speed of the car however.

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What is the instrument for measuring speed?

An anemometer is a type of weather instrument that measures wind speed.Some of these instruments measure both wind speed and wind direction.Anemometers are common at weather stations.A cup anemometer is a type of instrument that uses three or four hemispherical cups mounted on horizontal arms on ...

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What kind of speed is registered by an automobile speedometer?

In terms of physics its Instantaneous speed

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Why does a car speedometer have to be programmed with the circumference of the car's wheels?

The car wheel size has to be calibrated with the speedometer because the circumference of the wheel touches the ground: ergo a huge wheel like those found on heavy machinery can spin slower because with each revolution it covers... say 5-10 feet.

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The formula of velocity?

Velocity = distance divided by time (v=d/t)

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What does the speedometer and odometer of a vehicle indicate?

The current speed, and the total distance travelled respectively.

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What does the speedometer of a vehicle read?

2 Answers.A car's speedometer typically measures the frequency of rotation for one of the wheels; in a two-wheel drive vehicle it's usually one of the non-drive wheels.The calibration to highway speed is based on the recommended tire size for that wheel.

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What are the similarities and differences between speed and velocity?

Velocity is a vector quantity and has both magnitude and direction.Speed and velocity both represent a way to measure the change in position of an object relative to time.In fact, for a straight line motion, the speed and velocity of an object are the same (since distance and displacement will be...

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Do speed and velocity have the same magnitude?

Speed is a scalar (it has magnitude only) quantity while velocity is a vector (it has magnitude and direction) quantity.No, Speed doesn't have direction while velocity has.

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Why is velocity a vector but not speed?

Time is a scalar since it only has magnitude and that too only in the forward direction.Velocity arises from a vector (displacement) while speed arises from a scalar (distance), hence Velocity is a vector (magnitude and direction) and speed is a scalar (magnitude only).

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Does reverse damage speedometer of a motorcycle you have a Yamaha STX any known issues with the speedometer?

No, pushing it backwards will not damage the speedometer.

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Does the height of a car affect a car's speed?

The cross sectional area of a car is dependent on its height. As the area changes the drag on the car, it is likely that increasing the height of a car will also reduce its top speed. There are many other factors that affect a car's maximum speed so a change in height may not always result in a c...

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A train travels from one station to another station at a speed of 40 kmph and returns to the first station at a speed of 60kmph. calculate the average speed and average velocity of the train?

average speed = S1+S2/2heres1 = 40kmphs2 = 60kmphAverage speed = 40+60/2100/2= 50 kmph

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Which instrument is used to measure the speed of a vehicle?

Police use RADAR and LIDAR to measure traffic speed.Cars have speedometers for travel speed and tachometers for engine speed.Accelerometers are also used with car speed measurements.

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Would a car be measured in kilometers or meters?

The speed of a car would be in kilometres/hour, the length would be in metres.+++NB: IN Britain, despite almost all other legal technical and commercial measurements being metric or SI, the Statute Mile and Yard remain the only legal road-measurement units.

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Does a car's motor affect the speed of a car?

First off, it is not a motor, it is an engine. Of course the engine effects speed. It takes horsepower and torque to move a vehicle. The power of the engine determines how fast the car will go. The gear ratio of the transmission and the differential also determine the speed.

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What measurements do you need to do when you talk about the speed of a moving car?

To measure the speed of a moving car, all you have to do is use a stopwatch and clock how long it takes the car to go exactly one mile.... If it's 60 seconds, then it's going 60 mph; if its 75 secs, 75mph, etc... If you can only see it for a half mile, just double the time on the stopwatch and yo...

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What does the speedometer on a car tell you?

it tells you how fast the car is going

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What does a cars speedometer tell us?

How fast the vehicle is traveling.

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Will changing the height of a ramp change the average velocity of a toy car?

Yes, because if the average velocity for a car on a ramp at 17 degrees is 1.727(m/s), and if you change the degrees of the ramp, you change all the data points that were gathered to get 1.727.If that was to hard thenYesIt will change the V.

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Does a pump increase velocity?

Well, a pump adds energy to a fluid, resulting in an increase in pressure (not necessarily increase in velocity) across the pump because the tapered shape of the pump provides greater energy output naturally, due to its structure.(P = F/A) The exterted pressure is inversely proportional to the area.

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What is the use of the speedometer in a car?

So that one knows the speed they're traveling at.

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What angle does the needle turn through the speedometer when car speed goes from 40 km-hr to120km-hr?

depends on the speedometer

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Is an engine's bore a measurement of the combustion chamber or the piston?

The cylinder. When you "Bore Out" an engine block, you're making the combustion chamber wider to accommodate larger pistons to increase horsepower. That's usually mostly done in drag racers, not much use for it in a street car, unless you like supportin' the local Policemans Ball.

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How does a car speedometer work?

When you step on the pedal, the motor is propelled by a ticker which forces the belt to turn. This then propels the wheels forwards and the speed on the speedometer is determined by a mechanical recorder.

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Is the compression ratio of a piston inside its cylinder measured mechanically or atmospherically?

Mechanically To put it as simply as possible. The cubic inches of a cylinder and the amount of space your compressing it into is the compression ratio.

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Does the speedometer on an automobile register speed as we have defined it?

A car's speedometer typically measures the frequency of rotation for one of the wheels; in a two-wheel drive vehicle it's usually one of the non-drive wheels.The calibration to highway speed is based on the recommended tire size for that wheel.

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Does the ramp surface effect the speed of a car?

yes, of course different surface different amount of friction

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How does tire size affect the speedometer in a car?

The speedometer in a car runs based off the speed of the transmission. The gears in the transmission spin at a known rate for the speed the vehicle is traveling at. The faster the gears spin the more the speedometer goes up. If a person replaces stock tires with larger tires, then the tires will ...

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How does the wheel affect the speed of a car?

All tires have a speed rating, driving above is "Highly Not Recommended" as the tire can/will come apart due to heat build up. There where cars limited in speed due to this reason.

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Does a design of a car affect the speed?

The weight, aerodynamics, horse power and gear ratios all affect the speed of an automobile.

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Is a car measured in inches or feet?

A vehicles wheel base is measured in inches.

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How does the profile of a car affect the speed?

The profile of the car determines the aerodynamics. The more aerodynamic the car is the less power it takes to move it through the air. That power not used to move the air translates to more speed.

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How does the air affect the speed of a car?

The air effects the speed of the car because its kind of like a parachute. if you have a car that's not very aerodynamic it will catch the air and have to push it, but if you take a car that's very aerodynamic it will slice the air and have very little Resistance.

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How does a car measure fuel level?

An electric current is sent through the variable resistor to which a float is connected, so that the value of resistance depends on the fuel level.In most automotive fuel gauges such resistors are on the inward side of the gauge, i.e., inside the fuel tank.

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How many meters does a car measure?

a car is about four meters

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How does mass affect velocity on cars?

The larger the mass a car effects the velocity in that you require a stronger engine to make it accelerate at the same speed of a lighter car. Having a higher mass, it will take longer for it accelerate as well as for it to decelerate. Two cars that collide that have the same velocity and masses ...

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Does the weight of a toy car affect its speed?

It depends on a lot of factors. The classic question which will fall faster, an apple or a bowling ball comes to mind. When you are talking about a car, it is no longer vertical and not directly correlated to the pull of gravity. If both have identical components, and going downhill, the heavier ...

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Why does streamlining increase the top speed of a car?

because it makes its easier for the engine to push the car through the air.

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How does temperature affect the speed of a car?

At a drag strip it is very important, too cold <35*f can cause traction problems. Temperature is very important when it comes to horsepower. The rule of thumb is for every 10*f you lower the intake temperature you gain 1% increase in power. That's how cold air intakes/ 60's ram air, cowl induc...

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How does mass affect the speed of a car?

Well i know a lot about mass. MASS is how big and heavy the car is when running so if your car is very wide then mass will have a affect on it more than if it was a smaller car.The person who answered this oviously didnt know a lot about mass and didnt even answer the ques. A big car will be toug...

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What does the speed of a car depend on?

First of all speed of any vehicle does not depend only on its engine power or specifications.There are so many factors upon which a speed of a vehicle depends.For example weight of a vehicle, Shape and size of a vehicle(Concerns with Aerodynamics), tyres are also the factors upon which a speed of...

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Does the mass of a toy car affect its speed?

Yes, adding mass to a toy car should at least in principle make it accelerate down a ramp faster.

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Does the shape of a car affect its speed?

Our hypothesis is that the shape of the cars will make a difference in how fast they go.This is because a car with a more aerodynamic shape should go faster.The more aerodynamic the shape, the less the car will stall from the air as it moves.

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Does the placement of the wheels on a car change the speed of the car?

The placement wouldn't affect the speed, but would affect the handling.

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How does aerodynamics affect the speed of a car?

It changes the air resistance of the car -which is the controlling factor of top-speed.

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Does the weight of a car affect its speed?

Top speed - No, Acceleration - yestop speed is all about areodynamics (frontal area, Cd "coefficient of drag"), horsepower and gearing.Acceleration is all about power to weight and traction upto about 100mph, above 100mph the areodynamics starts playing a more important roll.

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How does an accelerator control the speed of a car?

The throttle pedal is a direct line to your car's engine.As the throttle pedal gets closer to the floor, the more air is sucked into the intake manifold to be mixed with even more fuel to rotate the crankshaft faster.This is your engine “revving” as the revolutions per minute (rpm) of the cranksh...

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What are the different ways to measure speed?

Units of speed include miles per hour (mph), centimeters per second (cm/sec or cm/s), meters per second (m/sec or m/s), or kilometers per hour (kph or km/hr).

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A car travels 180 miles west in 3 hours what is the velocity of the car?

The velocity of the car is 32 mph

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What is the measurement of a bus?

The number of passengers it can seat.

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Does traffic affect speed of a car?

Yes, traffic does affect the speed of a car. - In crowded traffic areas you should drive at prevailing speed.if u are speeding and u are going 60 or 70 and they are starting to make trakfic bam there u go in a car accident

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Does the whight of a car affect its speed?

um, yes entirely.example:a car with 300 horsepower and 300 ft. lb. of torque that weighs 3000 will do 0-60 in about 4.5 seconds.a car with 300 horsepower and 300 ft. lb. of torque that weighs 7000 will do 0-60 in about 9 seconds.weight is a major effect on a cars speed.

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Does the acceleration of a car affect its speed?

Yes.Acceleration by definition is a change in velocity, which is a change in speed, which could mean going faster or slower.

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How does weight affect the speed of a car?

According to the Science Channel, a heavier car moves at a slower rate of speed.To increase the speed of a heavy vehicle requires more force to move the car faster, using more fuel.A smaller car will become faster and more fuel efficient by removing 100 pounds of excess weight than a larger, heav...

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How does speed affect the stopping distance of a car?

How Speed Affects Braking Distances.If you keep the speed of an object constant, and you increase the weight of that object, it will increase the force of any impact.The faster an object is moving, the longer the distance it takes to stop.If a vehicle's speed doubles, it needs about 4X's the dist...

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How does friction affect the speed of a co2 car?

Friction acts on all cars the same pretty much, model, rocket or tank. I am assuming this is a model race car though.Remember the old Nascar saying "If you ain't cheating, You ain't winning"

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Does the shape of a race car affect its speed?

yes it does because of the wind the aerodynamics make a difference

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Can inch measure express the length of a car?

There are 12 inches in a foot. There are 3 feet in a yard. There are roughly 3.2 feet in a meter.Why would you want to use the smaller unit of inches rather than use feet or yards?

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