# Physics

A soccer ball is kicked with the initial speed of 10.7m/s . After 0.780s it is at its highest point. What was its initial direction of motion?

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1. v = Vi - g t
v = 0 at top
0 = Vi - 9.81(.78)
Vi = 7.65 m/s initial speed up

sin T = 7.65/10.7
T = 45.65 degrees up from horizontal

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posted by Damon

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