Asked by alex
a coin tossed upward from a balcony 330ft high with an initial velocity of 32/sec. During what interval of time will be the coin be at a height of at least 90ft?
Answers
Answered by
Scott
it takes a second for the coin to reach max height, 16 ft above the balcony
d = 1/2 a t^2
346 - 90 = 1/2 g t^2
solve for t, add in the 1st second
d = 1/2 a t^2
346 - 90 = 1/2 g t^2
solve for t, add in the 1st second
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