isabellaperry isabellaperry

20-04-2017
Mathematics

contestada

A ball is launched into the sky at 54.4 feet per second from a 268.8 meter tall building. The equation for the ball’s height, h, at time t seconds is h = -3.2t2 + 54.4t + 268.8. When will the ball strike the ground?

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Аноним Аноним

20-04-2017

4.42 seconds. I had a little trouble with this problem, but found the answer! :)

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