APFIVE Energy and Amplitude in Damped Oscillation
A pendulum of length L swings with small amplitude. If air resistance gradually reduces the amplitude to half its initial value, what happens to the total mechanical energy of the system?
A
It decreases to 1/4 of its initial value
B
It decreases to 1/8 of its initial value
C
It decreases to 1/2 of its initial value
D
It remains constant
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