Class HW 13 Begin Date: 11/6/2017 11:00:00 AM- -Due Date: 11/20/2017 11:00:00 AM

Question

Class HW 13 Begin Date: 11/6/2017 11:00:00 AM- -Due Date: 11/20/2017 11:00:00 AM End Date: 11 17 11:00:00 AM (10%) Problem 7: A simple pendulum is show in several states. In case A the mass is travelling back down to the bottom and is in between the bottom and its max height. In case B the mass is at its max height and has a speed of zero. In case C the ball is at its lowest position. Max Height Ctheexpertta.com ar acceleration is true? O It is zero in all cases. O It cannot be determined. It is equal in all cases, but is non-zero. 0% 100% Potential Amempts remaining: 20% per attempt) O It is maximum in case C. Hint I give up! Hints: 1% deduction per hint. Hints remaining: Allcotient © 201Expert TA·LLC

Explanation / Answer

Form conservation of angular momentum: It is constant throughout.

So, According to this rule, angular velocity changes at each point.

BUt the net force acting on the bob is constant, so it will produce the same angular acceleration at all the point.

So, D is correct.

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