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OpenStudy (anonymous):
An object is thrown straight down from the top of a 220-foot building with an initial velocity of 26 feet per second. What is the velocity at 1 second?
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OpenStudy (anonymous):
i think this belongs to physic department ? o_O
OpenStudy (anonymous):
Well, it's part of my calculus homework.
OpenStudy (anonymous):
Never mind, I got it.
OpenStudy (anonymous):
can i know how ? :D
OpenStudy (anonymous):
Write the position equation first, which is s(t)=-16t^2-26t+220
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OpenStudy (anonymous):
Then find the derivative of it which is -32t-26
OpenStudy (anonymous):
plug in 1 for t into that equation and you get the velocity.
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