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Answered 2011-12-11 22:00:59

Of course. Anything you toss with your hand has constant acceleration after

you toss it ... the acceleration of gravity, directed downward.

If you toss it upward, it starts out with upward velocity, which reverses and

eventually becomes downward velocity.

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Can the velocity of object reverse direction when its acceleration is constant?

yes, if the acceleration is in the opposite direction of the velocity.



Can an object with constant acceleration reverse its direction of travel can it reverse its direction twice?

Sure. Anything you toss with your hand has constant acceleration after you toss it ... the acceleration of gravity, directed downward. If you toss it upward, it starts out with upward velocity, which reverses and eventually becomes downward velocity.


Can a direction of velocity of an object reverse at constant acceleration?

Sure. A pendulum and a park swing both have constant acceleration due to gravity, and the direction of their velocity changes over and over again until they're stopped.


Can an object with a constant acceleration reverse its direction of travel?

Sure. A common example is when you throw a stone up. The acceleration is basically constant (air resistance tends to be negligible, if the stone is large enough); after a while, it will reverse the direction, and fall back down.


Can an object's velocity reverse direction when its acceleration is constant?

Yes, it can, if the initial velocity vector of an object was in opposite direction to its constant acceleration. Example: Anything you toss with your hand has constant acceleration after you toss it ... the acceleration of gravity, directed downward. If you toss it upward, it starts out with upward velocity, which reverses and eventually becomes downward velocity.



Why at a constant speed if an object changes its direction it is considered to be acceleration?

Acceleration is a direction plus a speed. If either changes then the acceleration changes.



Can an object with constant speed be accelerating?

Yes. 'Acceleration' means either speed or direction is changing. If direction is changing,then there is acceleration, even if speed is constant.


Can the direction of the velocity of an object change keeping the acceleration constant?

In order to change the direction of the velocity, acceleration is absolutely required. And as long as you've got it, there's no reason why it can't be constant. An object moving in a circle at a constant speed ... like a TV satellite ... has constant acceleration, and the direction of its velocity is constantly changing.


Can an object be moving if acceleration is zero?

Yes. Acceleration is defined as a change of speed and/or direction of motion. If the speed and direction of motion are constant, then there is no acceleration.


Can and object have Constant velocity and variable acceleration?

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How can an object moving at a constant speed have a nonzero acceleration?

Because an acceleration is a CHANGE in speed or direction.



What happens when a constant net force acts on an object?

The object exhibits constant acceleration in the same direction as the net force.


What is an object that moves with constant position?

An object that moves with constant position will have constant velocity or acceleration. This is said to be moving in positive direction and maintains the position.


An object will have constant acceleration if?

An object will have constant acceleration if the net force on it is constant in magnitude.


If there is a constant velocity of 30 ms. What is its acceleration?

Unless the object is changing its direction, it is not accelerating. Constant velocity implies that speed and direction are constant, and for acceleration to occur, either speed, direction, or both values must be changing.


What changes as an object moves with a constant acceleration?

During constant acceleration, either the object's speed changes at a constant rate, or the direction of its motion changes at a constant rate, or both.



What is Velocity and Acceleration?

Velocity is the speed of an object in any given direction (constant); acceleration measures the change in speed of an object over time.


If something moves at a constant speed in a circle does it have acceleration?

Yes. Acceleration means changes in speed, or direction, or both. If there's no acceleration, thenthe object moves at constant speed in a straight line. In circular motion, the direction changes,and that's acceleration.


An object with constant velocity has positive acceleration?

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Yes. For instance, if you throw an object up, then (ignoring air friction) it will have a constant downward acceleration of about 9.8 meters/second squared. After a while, this acceleration will make it go downwards again.


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