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1) Can the velocity of an object reverse direction while maintaining a constant acceleration? Can anyone give me an example of this? 2) What is the acceleration of a rock at the top of its trajectory when thrown straight upward? (Is it consistant with Newton's second law?) If would...

Thanks. I was having trouble putting the concepts together, but the walkthrough was able to help me put together the missing pieces.

A ball is thrown with enough speed straight up so taht it is in teh air for several seconds. (a) What is the velocity of the ball when it gets to its highest point? (b) What is the velocity 1s before it reaches its highest point? (c) What is the change in velocity during this 1s interval? (d)...

A ball is thrown with enough speed straight up so taht it is in teh air for several seconds. (a) What is the velocity of the ball when it gets to its highest point? (b) What is the velocity 1s before it reaches its highest point? (c) What is the change in velocity during this 1s interval? (d)...