1.A body of mass 1kg connected to a massless spring fixed from one end executing SHM. Initially at mean position. It's amplitude is 5cm and time period is 0.2sec.Find the potential energy after 0.05sec.
1) 1/2J
2) 3/4J
3) 5/6J
4) 5/4J
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Answer:
Correct option is
C
80cm/s
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