Find the velocity of the ball at given time

Reference no: EM131004966

A ball is dropped from the top of the Empire State building. The height of the ball, h, above the ground (in feet) is given as a function of time t (in seconds) by

h(t) = 1250 -16t²

Find the velocity of the ball at time t. What is the sign of the velocity? Why is this expected?

When does the ball hit the ground?

Reference no: EM131004966

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