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November 28, 2014

Homework Help: math

Posted by Casey on Monday, January 3, 2011 at 10:11pm.

An angry construction worker throws his wrench downward from a height of 128 feet with an
initial velocity of 32 feet per second. The height of the wrench above the ground after t seconds is given
by S(t)= -16t^2 - 32t + 128.
a) What is the height of the wrench after 1 second?
b) How long does it take for the wrench to reach the ground?

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