Six baseball throws are shown below. In each case the baseball is thrown at the

Question

Six baseball throws are shown below. In each case the baseball is thrown at the same initial speed and from the same height above the ground. Assume that the effects of air resistance are negligible. Rank these throws according to the speed of the baseball the instant before it hits the ground.
Rank from largest to smallest. To rank items as equivalent, overlap them.

1-What is the total work done on the block by the force of friction as the block moves a distance 10.0 up the incline?

2-What is the total work done on the block by the applied force as the block moves a distance 10.0 up the incline?

3-What is the total work done on the block by the force of friction as the block moves a distance 10.0 down the incline?

4-What is the total work done on the box by the applied force 40.0 in this case?

Explanation / Answer

all balls will hav same speed when reaches ground. consider they all hav same mass

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