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You throw a 3.00-N rock vertically into the air from ground level. You observe that when...

  1. You throw a 3.00-N rock vertically into the air from ground level. You observe that when it is 15.0 m above the ground, it is traveling at 25.0 m/s upward. Use the work–energy theorem to find:

    (a) the rock’s speed just as it left the ground.

(b) its maximum height

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Answer #1

(a) 30.32 m/sec

(b) d= maximum height=46.90 meter

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