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A mass of 1 kg is executing SHM which is...

A mass of 1 kg is executing SHM which is give by, `x=6.0cos(100t+pi//4)`cm. What is the maximum kinetic energy?

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Comparing the given equation with ,
`x=asin(omegat+phi)` we have,
`a=6cm=6xx10^(-2)m,omega=100rad//s`
Max. K.E. `=(1)/(2)momega^(2)a^(2)`
`=(1)/(2)xx1xx(100)^(2)xx(6xx10^(-2))^(2)=18J`
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