MHT CET questions
29293 published questions with worked solutions.
- Kinetic energy of rotation E and angular momentum L are related as
- A mass is whirled in a circular path with a constant angular velocity and its angular momentum is L. If the string is now halved...
- Calculate the angular momentum of the earth due to rotation about its own axis. Assume that the earth is a sphere of mass 6 10^...
- A uniform disc of radius 'a' and mass 'm' is rotating freely with angular speed ' ' in a horizontal plane about a smooth fixed...
- If the angular momentum of a body increases by 50%, then its kinetic energy of rotation increases by (M.I. remains constant)
- A stone of mass 1 kg is rotated in a horizontal circle of radius 0.5 m. If it makes 100 r. p. s., then its angular momentum is
- Statement 1: A solid cylinder of mass m and radius r rolls down an inclined plane of height H. The rotational kinetic energy of...
- Tow disc having same mass rotate about the same axes. If _1 and _2 be the densities of two bodies ( _1 > _2), then what is the...
- M.I. of a body depend upon [MH-CET 2002]
- From a uniform wire, two circular loops are made (i) P of radius r and (ii) Q of radius nr. If the moment of inertia of Q about...
- Five particles of mass 2 kg each are attached to the rim of a circular disc of radius 0.1 m and negligible mass. Moment of...
- If radius of solid sphere is doubled by keeping its mass constant, then
- Statement 1: A judo fighter in order to throw his opponent on to the mattries, he initially bends his opponent and then rotates...
- Ratio of rotational K.E. to rolling K.E. of a solid sphere is
- A body having moment of inertia of 3 kg-m^2 rotating with an angular velocity of 2 rad/s has the same kinetic energy as a mass of...
- Disc is rolling on the horizontal with constant velocity 2 m/s. If mass of the disc is 400 g, then total kinetic energy of disc is
- A rod having length L, density D and area of cross-section A is rotating about the centre with velocity and perpendicular to its...
- Two bodies having moments of inertia I_1 and I_2 (I_1 > I_2) have same angular momentum. If E_1 and E_2 are their rotational...
- The radius of gyration of a disc of mass 100 g and radius 5 cm about an axis passing through its centre of gravity and...
- The radius of gyration depends on [RPET 1986]