A ball is attached to a horizontal cord of length L whose other end is fixed, Fig. 6-41.

Figure 6-41

(a) If the ball is released, what will be its speed at the lowest point of its path? (Answer using g for acceleration due to gravity and L as necessary.)

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(b) A peg is located a distance h directly below the point of attachment of the cord. If h = 0.70 L, what will be the speed of the ball when it reaches the top of its circular path about the peg?

2Click here to preview your answer.Your answer is incorrect.

Figure 6-41

(a) If the ball is released, what will be its speed at the lowest point of its path? (Answer using g for acceleration due to gravity and L as necessary.)

1Click here to preview your answer.Your answer is correct.

(b) A peg is located a distance h directly below the point of attachment of the cord. If h = 0.70 L, what will be the speed of the ball when it reaches the top of its circular path about the peg?

2Click here to preview your answer.Your answer is incorrect.

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