Asked by Riir
A ball is thrown horziontally from the top of 40m high hill.it strickes the ground at the angle of 45°with.what is speed was thrown it?
Answers
Answered by
R_scott
the horizontal component of the impact velocity is the thrown velocity
the vertical component of the impact velocity is ... √(2 g h)
√(2 g h) / (thrown velocity) = tan(45º)
the vertical component of the impact velocity is ... √(2 g h)
√(2 g h) / (thrown velocity) = tan(45º)
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