A basketball player drops a 0.5 kg basketball vertically so that it is traveling at 5.0 m/s when it reaches the floor. The ball rebounds upward at a speed of 3.2 m/s. The ball is in contact with the ground for a time of 10 ms. Draw a velocity vs time graph for the ball and an impulse-momentum bar chart where the initial state is right before the ball hits the ground and the final state is right after the ball hits the ground.

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A: Given:

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Q: 25° L=200m Problem 1: A car having a mass of 1000 kg accelerates from 20 km/h to 80 km/h on a steep…

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.