A ball accelerates from rest at 0.7 M/S 2 while moving down an inclined plane 11

Question

A ball accelerates from rest at 0.7 M/S2 while moving down an inclined plane 11 meters long. When it reaches the bottom, the ball rolls up a second inclined plane, where after moving 16 meters along that plane with constant deceleration it comes to rest.

1) what is the speed if the ball at the bottom of the first plane?

2) How long does it take to roll down the fist plane?

3) What is the acceleration along the second plane?

4) What is the ball's speed when it has traveled only 7 meters the second inclined plane?

Explanation / Answer

1) 3.92m/s 2) 5.6s 3) 0.48m/s2 4) 2.94m/s

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