Mastering Physics Solutions: Question 5.16

Mastering Physics Solutions: Question 5.16

On December 25, 2011, in Chapter 05: Work and Energy, by Mastering Physics Solutions

Question 5.16

Part A = when the pendulum’s potential energy is a minimum

Solution Below:

Part A

The speed of a pendulum is greatest ________.

A. when the pendulum’s acceleration is a maximum
B. when the pendulum’s kinetic energy is a minimum
C. when the pendulum’s potential energy is a minimum
D. none of the preceding

Any object’s speed will be greatest when all of its potential energy has been converted into kinetic. So the answer is:

C. when the pendulum’s potential energy is a minimum

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