A ball of mass m moving with velocity vi strikes a vertical wall as shown in (Fi
ID: 1580486 • Letter: A
Question
A ball of mass m moving with velocity vi strikes a vertical wall as shown in (Figure 1). The angle between the ball's initial velocity vector and the wall is e as shown on the diagram, which depicts the situation as seen from above. The duration of the collision between the ball and the wall is , and this collision is completely elastic. Friction is negligible, so the ball does not start spinning In this idealized collision, the force exerted on the ball by the wall is parallel to the x axis What is the final angle r that the ball's velocity vector makes with the negative y axis? Express your answer in terms of quantities given in the problem introduction View Available Hint(s) ious Ans Correct Part B What is the magnitude F of the average force exerted on the ball by the wall? Express your answer in terms of variables given in the problem introduction and/or Vix gureExplanation / Answer
(B) Since the collision is elastic average force exerted by wall on ball is ZERO
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