2. A tennis ball is released at rest from the top of a building. It hits the ground after falling for 2.50s. Neglecting
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2. A tennis ball is released at rest from the top of a building. It hits the ground after falling for 2.50s. Neglecting
2. A tennis ball is released at rest from the top of a building. It hits the ground after falling for 2.50s. Neglecting air resistance, what was the height from which the ball was dropped? How fast is the ball travelling just before it hits the ground.
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