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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker
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Find the turning-point angles in the previous problem if

Chapter 8, Problem 58P

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QUESTION:

Problem 58P

Find the turning-point angles in the previous problem if the child has a speed of 0.89 m/s when the ropes are vertical. Indicate the turning points on a plot of the system’s potential energy.

REFERENCE PROBLEM:

        A 23-kg child swings back and forth on a swing suspended by 2.5 m-long ropes. Plot the gravitational potential energy of this system as a function of the angle the ropes make with the vertical, assuming the potential energy is zero when the ropes are vertical. Consider angles up to 900 on either side of the vertical.

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QUESTION:

Problem 58P

Find the turning-point angles in the previous problem if the child has a speed of 0.89 m/s when the ropes are vertical. Indicate the turning points on a plot of the system’s potential energy.

REFERENCE PROBLEM:

        A 23-kg child swings back and forth on a swing suspended by 2.5 m-long ropes. Plot the gravitational potential energy of this system as a function of the angle the ropes make with the vertical, assuming the potential energy is zero when the ropes are vertical. Consider angles up to 900 on either side of the vertical.

ANSWER:

Step 1 of 2

We are required to calculate the turning point angles.

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