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A tennis ball is hit straight up at 25 m/s from the edge of a sheer cliff. Some time later, the ball passes the original height from which it was hit. (Ignore the effects of air resistance.)
a.) How fast is the ball moving at that time? (m/s)
b.) If the cliff is 50 m high, how long will it take the ball to reach the ground level? (s)
c.) What total distance did the ball travel? (m)
illustrate what is the magnitude of the acceleration of the box and hanging mass.
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For a rough calculation, we shall assume that the doctor is 50 from the baby (she is likely to be even closer at delivery), has a mass of 75.00, and can be modelled as a uniform sphere.
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What is height of the cliff
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