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 isA. 1 JB. 10 JC. 2 JD. 20 J

Answer» Correct Answer - D
`E=(1)/(2)momega^(2)A^(2)=(1)/(2)xx0.1xx100^(2)xx(0.2)^(2)`
`=20J`


Discussion

No Comment Found

Related InterviewSolutions