A particle performs simple harmonic motion with amplitude A. Its speed is trebled at the instant that it is at distance 
from equilibrium position. The new amplitude of the motion is.
A
3A
B
A 
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Total initial energy 
at 
, potential energy 
Kinetic energy at 
If speed is tripled, new Kinetic energy 
New total energy 
If next amplitude 
; then 
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