Posted by Mark on Tuesday, September 21, 2010 at 12:31pm.
The height (in feet) of a skydiver at time t (in seconds) after opening his parachute is given by h(t) = 4000 – 19t. Find the skydiver's velocity after the parachute opens. The answer should be in feet per seconds.
I would appreciate if somebody helps.... Thank you.

calculus  Ana, Tuesday, September 21, 2010 at 8:43pm
What is the answer?

calculus  Rafay, Tuesday, September 21, 2010 at 10:19pm
19

calculus  Rafay, Tuesday, September 21, 2010 at 10:20pm
 19

calculus  Gay, Tuesday, March 24, 2015 at 9:23am
21
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