Posted by **Randy** on Wednesday, April 25, 2012 at 8:32pm.

The velocity v (in feet per second) of a rock dropped into a well is related to time (in seconds) by the formula v = 32t. What is the velocity of the rock at the indicated instant? Write your answer in the form (t, v).

(a) when the rock is released

( , )

(b) after 9 seconds

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