Mathematics, 22.09.2019 09:50 Karinaccccc

An elevator in a hotel moves at 20 feet per second. leaving form the ground floor, its height in feet after t second is given by the formula h(t)=20t. a bolt comes loose in the elevator shaft above, and its height in feet after falling for t second is given by h(t)=-16t^2+200. at what time and at what height does the bolt hit the elevator?

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An elevator in a hotel moves at 20 feet per second. leaving form the ground floor, its height in fee...