COE in SHM
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Q. A particle starts SHM from the mean position x=0. Its amplitude is a and total energy is E. When the particle is at a position 5 cm from the mean position, its kinetic energy is 3E4. The value of a (in cm) is
[Assume, The potential energy of the particle is zero at the mean position]
[Assume, The potential energy of the particle is zero at the mean position]
Q.
The following spring block systems having same mass of the block and same spring constants were stretched or compressed to different lengths (x) and released. Match the following:
(1)-(i), (2) - (ii), (3) - (iii)
(1)-(i), (2) - (i), (3) - (iii)
(1)-(i), (2) - (ii), (3) - (i)
None of these
Q.
The pulley shown in figure has a moment of inertia I about its axis and mass m. Find the time period of vertical oscillation of its centre of mass. The spring has spring constant k and the string does not slip over the pulley.
none of these