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Mathematics 18 Online
OpenStudy (jojokiw3):

Where did this number come from in this question?

OpenStudy (jojokiw3):

A object is thrown straight from the top of a 500-foot-tall building with an initial velocity of 20 feet per second. Develop an equation that expresses the height h(t) of the object above the ground as a function of time. How long will it take for the object to to hit the ground? (Assume the ball does not hit the building during its descent.

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