What is the acceleration of the automobile after two seconds?
runninonfaith99 asked:
An automobile travels following the position function s(t)=-2.5t^2+32t. What is the acceleration of the automobile after 2 seconds?
A. 28 ft/sec
B. -5 ft/sec^2
C. 22 ft/sec
D. -2.5 ft/sec^2
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An automobile travels following the position function s(t)=-2.5t^2+32t. What is the acceleration of the automobile after 2 seconds?
A. 28 ft/sec
B. -5 ft/sec^2
C. 22 ft/sec
D. -2.5 ft/sec^2
March 14th, 2010 at 9:44 am
s(t)=-2.5t^2+32t
s’(t) = -2.5 (2t) + 32 = -5t + 32
s”(t) = acceleration = -5 ft/sec^2 cidyah