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February 27, 2015

Homework Help: URGENT, Calculus!

Posted by Vanessa on Thursday, July 10, 2008 at 1:50pm.

A science project studying catapults sent a projectile into the air with an initial velocity of 30 m/s. The formula for distance (s) in meters with respect to time in seconds is
s = -4.9t2 + 30t. Find the instantaneous rate of change (and thus the velocity at any time) using and then find the instantaneous rate of change at:
t = 1
t = 3

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