APFIVE Energy and Amplitude in Damped Oscillation
A pendulum of length L oscillates with a small amplitude. Air resistance causes the amplitude to decrease to one-half of its initial value. What is the corresponding change in the total mechanical energy of the system?
A
It decreases to 1/8 of its initial value
B
It remains constant
C
It decreases to 1/2 of its initial value
D
It decreases to 1/4 of its initial value
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