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The displacement of a particle of mass 1...

The displacement of a particle of mass 100 g executing SHm is given by the equation y = 0.2 cos `(100t+(pi)/(4))` meter. Its total energy is

A

1 J

B

10 J

C

2 J

D

20 J

Text Solution

Verified by Experts

The correct Answer is:
D
`E=(1)/(2)momega^(2)A^(2)=(1)/(2)xx0.1xx100^(2)xx(0.2)^(2)`
`=20J`
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