One of James Bond\'s adversaries is standing on a frozen lake; there is no frict

Question

One of James Bond's adversaries is standing on a frozen lake; there is no friction between his feet and the ice. He throws his steel-lined hat with a velocity of v at an angle above the horizontal, hoping to hit James.

One of James Bond's adversaries is standing on a frozen lake; there is no friction between his feet and the ice. He throws his steel-lined hat with a velocity of v at an angle above the horizontal, hoping to hit James

if his mass is m1 and that of his hat is m2, what is the magnitude of his horizontal recoil velocity?

* the Correct answer does not depend on v

Explanation / Answer

applying from the law of conservation of momentum

m1uc = m2 v cos theta

Recoil Velociyt u1 = (M2/M1) * v Cos theta

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