Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A wheel having moment of inertia 2kg−m^2 about its vertical axis, rotates at the rate of 60 rpm about this axis. The torque which can stop the wheel’s rotation in one minute would be
06
Dec
A wheel having moment of inertia 2kg−m^2 about its vertical axis, rotates at the rate of 60 rpm about this axis. The torque which can stop the wheel’s rotation in one minute would be A wheel having moment of inertia 2kg−m^2 about its vertical axis rotates at the rate of 60 rpm about this axis. [...]
If the equation for the displacement of a particle moving on a circular path is given by (θ)=2t^3 + 0.5, where θ is in radians and t in seconds, then the angular velocity of the particle after 2s from its start is?
06
Dec
If the equation for the displacement of a particle moving on a circular path is given by (θ)=2t^3 + 0.5, where θ is in radians and t in seconds, then the angular velocity of the particle after 2s from its start is? If the equation for the displacement of a particle moving on a circular [...]
Figure shows a small wheel fixed coaxially on a bigger one of the double the radius. The system rotates about the common axis. The strings supporting A and B do not slip on the wheels. If x and y be the distance travelled by A and B in the same time interval, then
06
Dec
Figure shows a small wheel fixed coaxially on a bigger one of the double the radius. The system rotates about the common axis. The strings supporting A and B do not slip on the wheels. If x and y be the distance travelled by A and B in the same time interval, then If the [...]
When a ceiling fan is switched off, its angular velocity reduces by 50% while it makes 36 rotations. How many more rotations will it make before coming to rest? (Assume uniforms angular retardation)
06
Dec
When a ceiling fan is switched off, its angular velocity reduces by 50% while it makes 36 rotations. How many more rotations will it make before coming to rest? (Assume uniforms angular retardation) its angular velocity reduces by 50% while it makes 36 rotations. How many more rotations will it make before coming to rest? [...]
A body is in pure rotation. The linear speed v of a particle, the distance r of the particle from the axis and the angular velocity ω of the body are related as ω=v/r. Thus
06
Dec
A body is in pure rotation. The linear speed v of a particle, the distance r of the particle from the axis and the angular velocity ω of the body are related as ω=v/r. Thus A body is in pure rotation. The linear speed v of a particle the distance r of the particle from [...]
A rod of length L is made of a uniform length L/2 of mass M1 and a uniform length L/2 of mass M2, The M.I of rod about an axis passing through the geometrical center and ⊥ar to length
06
Dec
A rod of length L is made of a uniform length L/2 of mass M1 and a uniform length L/2 of mass M2, The M.I of rod about an axis passing through the geometrical center and ⊥ar to length A rod of length L is made of a uniform length L/2 of mass M1 and [...]
Two rings A (2m,R) and B (m, R) are placed such that these are perpendicular but common center. The M.I. of the system about an axis passing through the common center and perpendicular to the plane of B is
06
Dec
Two rings A (2m,R) and B (m, R) are placed such that these are perpendicular but common center. The M.I. of the system about an axis passing through the common center and perpendicular to the plane of B is R) and B (m R) are placed such that these are perpendicular but common center. The [...]
A disc is of mass M and radius r. The moment of inertia of this disc about an axis tangential to its edge and in plane of the disc is
06
Dec
A disc is of mass M and radius r. The moment of inertia of this disc about an axis tangential to its edge and in plane of the disc is A disc is of mass M and radius r. The moment of inertia of this disc about an axis tangential to its edge and in [...]
A simple pendulum oscillates in a vertical plane. When it passes through the mean position, the tension in the string is 3 times the weight of the pendulum bob. What is the maximum displacement of the pendulum with respect to the vertical
06
Dec
A simple pendulum oscillates in a vertical plane. When it passes through the mean position, the tension in the string is 3 times the weight of the pendulum bob. What is the maximum displacement of the pendulum with respect to the vertical A simple pendulum oscillates in a vertical plane. When it passes through the [...]
A cord is used to lower vertically a block of mass M, a distance d at a constant downward acceleration of g/4, then the work done by the cord on the block is.
06
Dec
A cord is used to lower vertically a block of mass M, a distance d at a constant downward acceleration of g/4, then the work done by the cord on the block is. A cord is used to lower vertically a block of mass M a distance d at a constant downward acceleration of g/4 [...]