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OpenStudy (anonymous):
The formula for the height of a rocket fired straight up from the ground with an initial velocity of 128 ft/sec is H=-16t^2+128, where t is the time in seconds. Find the height after 2 seconds. SHOW ALL WORK
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OpenStudy (anonymous):
Just substitute 2 for t...The 128ft/sec is just extra unnecessary info.
OpenStudy (anonymous):
so it would be H=-16(2)^2+128?
OpenStudy (anonymous):
yes.
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