A body executes SHM with an amplitude . At what displacement from the mean position is the potential energy of the body is one-fourth of its total energy ?
Some other fraction of a
The angular velocity and the amplitude of a simple pendulum is and respectively. At a displacement x from the mean position, if its kinetic energy is T and potential energy is U, then the ration of T to U is
The acceleration of a particle in S.H.M. is
always constant
maximum at extreme positions
maximum at mean position
always zero
Which one of the following is a simple harmonic motion ?
Ball bouncing between two rigid vertical walls
Particle moving in a circle with uniform speed
Wave moving through a string fixed at both ends
Earth spinning about its own axis
If metal bob of a simple pendulum is replaced by a wooden bob, then its time period will
increase
decrease
remain the same
first (a), then (b)
A particle is executing S.H.M of amplitude 4 cm and T = 4 sec. The time taken by it to move from positive extreme position to half the amplitude is
1 sec
1/3 sec
2/3 sec
In a simple harmonic motion, when the displacement is one-half the amplitude, what fraction of the total energy is kinetic ?
Zero
