Asked by Jordan

A stone is thrown from ground level at 72 m/s. Its speed when it reaches its highest point is 46 m/s.
Find the angle, above the horizontal, of the stone's initial velocity.
Answer in units of degree

Answers

Answered by Henry
Vo = 72m/s[Ao].
Xo = 46 m/s.

Xo = 72*Cos A = 46.
Cos A = 46/72 = 0.63889.
A = 50.3o
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