A ball is thrown straight up into the air with an initial upward velocity. Suppose we call
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Question:
A ball is thrown straight up into the air with an initial upward velocity. Suppose we call the up direction positive.
What happens to its velocity from the time it is released to the time it reaches its highest point?
Its velocity increases
Its velocity decreases until it becomes negative
Its velocity decreases until it reaches zero
Its velocity stays the same
What happens to its velocity from the time it reaches its highest point to the time it is caught?
Its velocity decreases from zero and becomes more negative
Its velocity stays the same
Its velocity increases from zero
Its velocity decreases until it reaches zero
What happens to the its acceleration from release to catch?
It remains constant throughout the motion
It increases
It decreases
Is the ball's acceleration ever zero while in flight?
No
Yes
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