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Question: a ball with mass kg is thrown upward with initial...

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A ball with mass kg is thrown upward with initial velocity 20 m/s from the roof of a building 16 m high. Neglect air resistance. Use g=9.8 m/s^2. Round your answers to one decimal place.

(a) Find the maximum height above the ground that the ball reaches.

(b) Assuming that the ball misses the building on the way down, find the time that it hits the ground.

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