Question

A 50- gram ball is thrown from a window with an initial velocity of 8.0 m/s at an angle of 30 degree above horizontal. Using energy methods determine (a) the kinetic energy of the ball at the top of its flight and (b) in speed when it is depend on either (4) the mass of the ball or (4) the initial angle a) 1.2 b) 11m/s


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Answer 1

Answer:

option (a) is correct

Explanation:

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