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Answered 2015-11-19 02:51:03

The velocity stays the same, it is constant

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Answered 2015-11-18 20:19:31

Acceleration is the rate of change of velocity. Zero acceleration means that the velocity doesn't change over time.

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If acceleration is zero does velocity have to be zero?

No. Acceleration is the change of velocity. If velocity is constant, at any speed, acceleration is zero.

If an object has zero acceleration and does that mean its velocity is zero and Explain?

If an object has zero acceleration, its velocity doesn't have to be zero. Acceleration is a measure of the change in velocity over time. Zero acceleration means there is no change in velocity over time, namely constant velocity. Constant velocity can be any velocity (including zero velocity or "at rest"), so the object's velocity doesn't have to be zero to have zero acceleration.

When the speed of an object is doubled what happens to the acceleration?

Acceleration is the change of velocity per unit time. Once the object has a constant velocity, its acceleration will be zero.

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.

Zero acceleration will the velocity be constant?

Whenever velocity is constant, the acceleration is zero. This also works when the velocity is zero, the acceleration is zero. That pretty much means the object isn't moving. But, yes/ If velocity is constant, accleration is zero.

What happens to the velocity when the acceleration is zero?

Acceleration means change in velocity. So when it's zero, that means velocity doesn't change, meaning in turn that it's constant ... constant speed in a straight line.

Is it possible that a particle has zero velocity but still have a acceleration?

Only for an instant. Acceleration is a change in velocity. When the derivative of acceleration with respect to time is zero, the velocity would be zero.

When velocity is positive and acceleration is zero what happens to an objects motion?

When acceleration is zero, then the object is moving in a straight line with constant speed. (That's the effective meaning of constant velocity.)

Why is acceleration zero when the body is moving with a constant velocity?

Acceleration is the CHANGE in velocity; you're assuming CONSTANT velocity. So the acceleration is zero.

What is your acceleration if you have a constant velocity?

If your velocity is constant, then your acceleration is zero.

How is velocity of zero different from an accerlation at zero?

Acceleration is changing velocity. Zero velocity means no motion. Zero acceleration means constant, unchanging motion.

What is another word for zero velocity?

Zero velocity = No acceleration

Does an object moving at constant velocity have zero acceleration?

yes the acceleration is at zero because there is no change in acceleration if the velocity is constant

How is acceleration due to gravity be zero in a parachute?

At terminal velocity (constant velocity), the acceleration is zero, but prior to that, there is a downward acceleration.

What is acceleration when initial velocity is zero?

The average acceleration from zero is the final velocity divided by the amount of time to reach that velocity.

Why is the body moving with a uniform velocity is zero?

The body is not zero, but the sum of all forces on it is. -- "Uniform velocity" means no acceleration. -- Acceleration is force/mass . -- If acceleration is zero, that's an indication that force must be zero.

Is it possible for a body to have zero velocity but constant acceleration?

Yes. A body having zero velocity has a constant acceleration of zero.

Can an object have zero velocity and zero acceleration?

I'm not a scientist, but the following seems reasonable to me. If your frame of reference is the earth's surface, then it seems clear that an object can have zero velocity and zero acceleration. You could even have non-zero velocity and zero acceleration. What seems impossible is to have zero velocity and non-zero acceleration. When you think of accelaration think of changing velocity. A car moving straight down the highway at a constant speed of 55 mph is neither speeding up nor slowing down. Though it has velocity, there is no change in its velocity so acceleration will be zero. For a car parked on the side of the road, on the other hand, its velocity will be zero but what about its acceleration? Is velocity changing? No, so it will have zero velocity and zero acceleration.Yes.

What happens to the acceleration of a simple pendulum as it approaches the lowest point of its swing?

The velocity reaches a maximum, and the pendulum will begin to decelerate. Because the acceleration is the derivative of the velocity, and the derivative at the location of an extrema is zero, the acceleration goes to zero.

Can the velocity of an object be zero and at the same time the acceleration of the object be zero?

Yes, an object can have a velocity of zero and an acceleration of zero. It's an object with a velocity of zero and no net applied force.

When the acceleration of an object is zero what is the velocity at the same time?

As long as acceleration is zero, the object's velocity is constant.

Can you have velocity without acceleration?

Yes. Acceleration is a change in velocity. With no acceleration, velocity remains constant, possibly at zero.

What is the acceleration of a object that moves at constant velocity?

Acceleration is change of velocity. If velocity is constant ... "no change" ... then acceleration is zero.

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