Question description
1. Approximate the total work done by the force shown in the graph “force versus distance” on the right?
2. A ball is thrown upward at time t1 from the top of a building. At time t2 it reaches a maximum height and heads downward. At time t3 it is at height equal to the height of the building. At time t4, it is at a height equal to half the height of the building. It hits the ground at time t5. At what time is the potential energy of the ball maximum and it kinetic energy equal to zero?
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