Asked by cedric
1.A man in a hot-air balloon drops an apple at a height of 150m. If the balloon is rising at 15 m/s, find the highest point reached by the apple.
Answers
Answered by
Steve
The height is 150 + 15t - 4.9t^2
The vertex of a parabola is achieved when x = -b/2a = 15/9.8 = 1.53 seconds
so, at t=1.53 seconds, s = 161.48m
The vertex of a parabola is achieved when x = -b/2a = 15/9.8 = 1.53 seconds
so, at t=1.53 seconds, s = 161.48m
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