Posted by Anonymous on Friday, January 25, 2013 at 4:38pm.
A rock is thrown off of a 100 foot cliff with an upward velocity of 45 m/s. As a result its height after t seconds is given by the formula: h(t)= 100+45t-5t^2
The height after 6 seconds is 190
What is the velocity after 6 seconds?
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