A particle excutes SHM of frequency f. The frequency of its kinetic energy is ?
1 Answer
Jun 27, 2018
Explanation:
For displacement:
#x = A sin omega t#
Velocity is:
#dot x = omega A cos omega t#
And Kinetic Energy is:
#T = 1/2 m dotx^2 = 1/2 m omega^2 A^2 cos^2 omega t#
Using identity:
#cos 2 alpha = 2 cos^2 alpha - 1#