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Answered 2009-10-01 02:13:41

-- Gas pedal (increases magnitude of velocity)

-- Brake pedal (decreases magnitude of velocity)

-- Steering wheel (changes direction of velocity)

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What two controls on a car cause a change in velocity?

The cruise control, since it affects the accelerator, can also cause a change in velocity.

A car is driving at constant velocity Is the car accelerating?

No. The car is not accelerating if at constant velocity. Acceleration is the change in velocity with time.

What car control causes a change in velocity?

The gas pedal, the brake pedal, and the steering wheel all do.

What control on a car can cause a change in velocity at constant speed?

The steering wheel can change the car's direction of motion, without changing speed.

Can the car accelerate if the speedometer of a car indicates a constant speed of 40km per hour?

Acceleration is the derivative of velocity, meaning a change in velocity. Velocity is a vector, comprised of magnitude and direction, that is speed and where you are heading. Thus, turning, changing lanes, flipping the car while on cruise control, etc, would all comprise a change in velocity (specifically the direction) and thus is an accelaration.

What is an example of something at constant speed but not constant velocity?

You are driving your car with cruise control but you steer around a bend in the highway. The cruise control keeps your speed constant, but by steering you change your direction and thus your velocity is not constant.

What are two of the ways that the velocity of a car can change?

Change in direction change in speed

What control causes a change in volocity?

A resultant force causes a change in velocity.

Can it have zero acceleration and non zero velocity?

Yes this is possible, when the velocity is constant. When velocity is constant there is no change in velocity, if there is no change in velocity then is no acceraltion. e.g. : a car traveling at a constant speed of 40m/s

What controls causes a change in velocity?

There are three ways to change the velocity in a car, the gas pedal, the brake, and the streering wheel.

Why car has zero acceleration and non zero velocity?

Acceleration refers to the change of velocity per time unit. If the velocity doesn't change, acceleration is zero.

What are three ways to change the acceleration of a car?

To change the acceleration of a car: speed up, slow down or turn. Acceleration is any change in velocity. Velocity is "how fast" and in "what direction". To speed up is to accelerate (increase the velocity). To slow down is to deaccelerate (decrease the velocity) To turn is also a form of acceleration (changes the direction of the velocity).

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The change in velocity is 20 meters per second north. ( ? ? ? )

How do you change velocity in a car?

The same way you change the velocity of any object. If a net force is applied to an object, the object's velocity changes.

Why does a car accelerate when it rounds a corner?

Acceleration is a change in velocity. The car's velocity is changing when it changes directions.

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As velocity is a vector, the three ways would be to: Brake; Accelerate; or Change direction.

What is an example of a negative rate of change?

a car braking is a negative rate of velocity change

What control cause a change in velocity?

A change in velocity is caused by resultant force (Newton's first law), which causes an acceleration. (Newton's second law)

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If the momentum doesn't change, the velocity doesn't change, either, since we can assume that the mass will hardly change.

Can all forces of a car be balanced if it is moving a constant velocity?

That's exactly what we must conclude. If the forces on the car were not balanced, then its velocity would have to change.

A car traveling westward at 20 ms turns around and travels eastward at 5 ms. what is the change in velocity of the car?

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What acceleration of a car accelerate even thought your speed don't change?

If the car is moving at a constant speed but is changing direction, it is accelerating. Acceleration is change in velocity, and velocity includes magnitude (speed) and direction.

What is the relationship between the change in velocity and force?

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The smaller vehicle will encounter the larger velocity change.

A car starts from rest and travels a distance of 100 m in 20 seconds with a constant acceleration The velocity of the car is at the end of the 20 second interval is?

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