Physics, 07.01.2021 08:30, dianactorres

2. (Work-Energy Theorem) A watermelon of mass m is dropped from rest from the roof of a building of height h and feels no air resistance. a. What is the work done by gravity on the watermelon from the roof to the ground? b. What is the kinetic energy of the watermelon just as it hits the ground? c. What is the speed of the watermelon just as it hits the ground? d. Which answer(s) above will change if there is appreciable air resistance? m = 4.80 kg h = 25.0 m

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2. (Work-Energy Theorem) A watermelon of mass m is dropped from rest from the roof of a building of...