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OpenStudy (anonymous):
A projectile is fired straight upward with an initial velocity of 400 feet per second. The height of the projectile, h(t), if represented by the function h(t) = - 16t2 + 400t where t is the time in seconds. How long does it take the projectile to reach the maximum height? 2500 sec 25 sec 12.5 sec 6.25 sec
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OpenStudy (anonymous):
its not 25 sec
OpenStudy (boldjon):
oh.....
OpenStudy (anonymous):
i know 😒
OpenStudy (radar):
Do you know how to take the derivative of that f(t) ??
OpenStudy (radar):
You would use the power rule.
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