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qUESTIONS

The maximum velocity of a particle executing simple harmonic motion with an amplitude 7 m is 4.4 ms¯¹. The period of oscillation is

When a body of mass 1.0 kg is suspended from a certain light spring hanging vertically, its length increases by 5 cm. By suspending 2.0 kg block to the spring and if the block is pulled through 10 cm and released, the maximum velocity in it (in ms¯¹) is (acceleration due to gravity = 10 ms-2)

What is the velocity of the bob of a simple pendulum at its mean position, if it is able to rise to vertical height of 10 cm? (g = 9.8 ms^-2)

A simple pendulum is released from A shown. If m and l represent the mass of the bob and Length of the pendulum, the gain kinetic energy at B is

Time period of a spring mass system is T. If this spring is cut into two parts whose lengths are in the ratio 1:3 and the same mass is attached to the smaller part, the new time period will be

A body of mass 4 kg hangs from a spring and oscillates with a period 0.5 s. On the removal of the body, the spring is shortened by

1.Rotational Dynamics

A horizontal circular platform of masss M is rotating at angular velocity Omega about a vertical axis passing through its centre. A boy of mass m is standing at the edge of the platform. If the boy comes to the centre of the platform, then the new angular velocity becomes

1.Rotational Dynamics

Two bodies rotate with kinetic energies. K1 and K2 movement of inertia about their axis of rotation, is I1 and I 2. If I1=3*I2 and K1=27 K2 then the ratio of their angular momenta I1 to I2 is

1.Rotational Dynamics

A disc of Mars 50KG and radius 1m is rotating at 180 rpm. The torque required to rotate the disc in opposite direction with the same speed in 24 seconds is

1.Rotational Dynamics

A particle moves along a circle of radius R with constant tangential acceleration. If the velocity of the particle is V at the end of second revolution from the start, then the tangential acceleration is

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