Part 1
A solid sphere is rotating about a diameter at an angular velocity ω. If it cools so that its radius reduces to I/n of its original value, its angular velocity becomes
23
Oct
A solid sphere is rotating about a diameter at an angular velocity ω. If it cools so that its radius reduces to I/n of its original value, its angular velocity becomes A solid sphere is rotating about a diameter at an angular velocity ω. If it cools so that its radius reduces to I/n of [...]
A particle of mass m is rotating in a plane in circular path of radius r. Its angular momentum is L. The centripetal force acting on the particle is
23
Oct
A particle of mass m is rotating in a plane in circular path of radius r. Its angular momentum is L. The centripetal force acting on the particle is A particle of mass m is rotating in a plane in circular path of radius r. Its angular momentum is L. The centripetal force acting on [...]
If the angular momentum of any rotating body increases by 200%, then the increase in its kinetic energy
23
Oct
If the angular momentum of any rotating body increases by 200%, then the increase in its kinetic energy If the angular momentum of any rotating body increases by 200% then the increase in its kinetic energy October 23, 2020 Category: Cengage NEET by C.P Singh , Chapter 11 - Rotational Motion , Part 1 ,
Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momentum will be in the ratio.
23
Oct
Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momentum will be in the ratio. their angular momentum will be in the ratio. Two bodies have their moments of inertia I and 2I respectively about their axis of [...]
A particle of mass m is projected with a velocity v making an angle of 45^∘ with the horizontal. The magnitude of the angular momentum of the projectile abut the point of projection when the particle is at its maximum height h is.
23
Oct
A particle of mass m is projected with a velocity v making an angle of 45^∘ with the horizontal. The magnitude of the angular momentum of the projectile abut the point of projection when the particle is at its maximum height h is. If a ladder weighing 250 N is placed against a smooth vertical [...]
A particle of mass m=5kg is moving with a uniform speed v=32–√ in the X-Y plane along the line Y=X+4. The magnitude of the angular momentum about the origin in g cm^2/s is
23
Oct
A particle of mass m=5kg is moving with a uniform speed v=32–√ in the X-Y plane along the line Y=X+4. The magnitude of the angular momentum about the origin in g cm^2/s is A particle of mass m=5kg is moving with a uniform speed v=32–√ in the X-Y plane along the line Y=X+4. The magnitude [...]
A particle of mass m moves in the XY plane with a velocity v along the straight line AB. If the angular momentum of the particle with respect to origin O is LA when it is at A and LB when it is at B, then
23
Oct
A particle of mass m moves in the XY plane with a velocity v along the straight line AB. If the angular momentum of the particle with respect to origin O is LA when it is at A and LB when it is at B, then A particle of mass m moves in the XY [...]
If the particle of mass m is moving with constant velocity v parallel to x-axis in x-y plane as shown in (figure), Find its angular momentum with respect to origin at any time t will be.
23
Oct
If the particle of mass m is moving with constant velocity v parallel to x-axis in x-y plane as shown in (figure), Find its angular momentum with respect to origin at any time t will be. Find its angular momentum with respect to origin at any time t will be. If the particle of mass [...]
A unit mass at position vector r→=(3iˆ+jˆ) is moving with velocity v→=(5iˆ−6jˆ). What is the angular momentum of the body about the origin?
23
Oct
A unit mass at position vector r→=(3iˆ+jˆ) is moving with velocity v→=(5iˆ−6jˆ). What is the angular momentum of the body about the origin? A unit mass at position vector r→=(3iˆ+jˆ) is moving with velocity v→=(5iˆ−6jˆ). What is the angular momentum of the body about the origin? October 23, 2020 Category: Cengage NEET by C.P Singh [...]
A mass M moving with a constant velocity parallel to the X-axis. Its angular momentum with respect to the origin or the z-axis is
23
Oct
A mass M moving with a constant velocity parallel to the X-axis. Its angular momentum with respect to the origin or the z-axis is A mass M moving with a constant velocity parallel to the X-axis. Its angular momentum with respect to the origin or the z-axis is October 23, 2020 Category: Cengage NEET by [...]