Jehnuninemmae Jehnuninemmae

20-10-2016
Physics

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If an athlete executing a long jump leaves the ground at a 30° angle and travels 7.80 m, what was the takeoff speed

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sakarpathak111 sakarpathak111

20-10-2016

R=u^2 sin2x / g
7.8=u^2 sin2*30 /10
u=9.5m/s

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