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A U-shaped smooth wire has a semi-circular bending between A and B as shown in fig. A bead of mass m moving with uniform speed v through the wire enters the semiculcular bent at A and leaves at B. Find the average force exerted by the bead on the part AB of the wire.
22
Sep
A U-shaped smooth wire has a semi-circular bending between A and B as shown in fig. A bead of mass m moving with uniform speed v through the wire enters the semiculcular bent at A and leaves at B. Find the average force exerted by the bead on the part AB of the wire. A [...]
A hockey player receives a corner shot at a speed of 15 m/s at angle 30∘ with y-axis and then shoots the ball along x-axis with the speed 30m/s. If the mass of the ball is 150g and it remains in contact with the hockey stick for 0.01 s, the force exerted on the ball along x-axis is
22
Sep
A hockey player receives a corner shot at a speed of 15 m/s at angle 30∘ with y-axis and then shoots the ball along x-axis with the speed 30m/s. If the mass of the ball is 150g and it remains in contact with the hockey stick for 0.01 s, the force exerted on the ball [...]
A system of two blocks A and B are connected by an inextensible massless string as shown in figure. The pulley is massless and frictionless. Initially, the system is at rest. A bullet of mass ‘m’ moving with a velocity ‘u’ as shown hits block ‘B’ and gets embedded into it. The impulse imparted by tension force to the block of mass 3 m is
22
Sep
A system of two blocks A and B are connected by an inextensible massless string as shown in figure. The pulley is massless and frictionless. Initially, the system is at rest. A bullet of mass ‘m’ moving with a velocity ‘u’ as shown hits block ‘B’ and gets embedded into it. The impulse imparted by [...]
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A system of two blocks A and B are connected by an inextensible massless string as shown in figure. The pulley is massless and frictionless. Initially ,
the system is at rest. A bullet of mass 'm' moving with a velocity 'u' as shown hits block 'B' and gets embedded into it. The impulse imparted by tension force to the block of mass 3 m is ,
In the above question, the ratio of the kinetic energies of the first ball to the second ball after collision is
22
Sep
In the above question, the ratio of the kinetic energies of the first ball to the second ball after collision is In the above question the ratio of the kinetic energies of the first ball to the second ball after collision is September 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
A ball thrown by one player reaches the other in 2 s. The maximum height attained by the ball above the point of projection will be about
22
Sep
A ball thrown by one player reaches the other in 2 s. The maximum height attained by the ball above the point of projection will be about A ball thrown by one player reaches the other in 2 s. The maximum height attained by the ball above the point of projection will be about September [...]
A ball of mass ‘m’ moving with speed ‘u’ undergoes a head-on elastic collision with a ball of mass ‘nm’ initially at rest. Find the fraction of the incident energy transferred to the second ball.
22
Sep
A ball of mass ‘m’ moving with speed ‘u’ undergoes a head-on elastic collision with a ball of mass ‘nm’ initially at rest. Find the fraction of the incident energy transferred to the second ball. A ball of mass 'm' moving with speed 'u' undergoes a head-on elastic collision with a ball of mass 'nm' [...]
The maximum height reached by projectile is 4 m. The horizontal range is 12 m. The velocity of projection in m/s is
22
Sep
The maximum height reached by projectile is 4 m. The horizontal range is 12 m. The velocity of projection in m/s is The maximum height reached by projectile is 4 m. The horizontal range is 12 m. The velocity of projection in m/s is September 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
A particle of mass m moving with a velocity u makes an elastic one-dimensional collision with a stationary particle of mass m establishing a contact with it for extermely small time. T. Their force of contact increases from zero to F0 linearly in time T/4, remains constant for a further time T/2 and decreases linearly from F0 to zero in further time T/4 as shown. The magnitude possessed by F0 is.
22
Sep
A particle of mass m moving with a velocity u makes an elastic one-dimensional collision with a stationary particle of mass m establishing a contact with it for extermely small time. T. Their force of contact increases from zero to F0 linearly in time T/4, remains constant for a further time T/2 and decreases linearly [...]
Two bullets are fired horizontally with different velocities from the same height. Which will reach the ground first?
22
Sep
Two bullets are fired horizontally with different velocities from the same height. Which will reach the ground first? Two bullets are fired horizontally with different velocities from the same height. Which will reach the ground first September 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A shot is fired from a point at a distance of 200 m from the foot of a tower 100 m high so that it just passes over it horizontally. The direction of shot with horizontal is
22
Sep
A shot is fired from a point at a distance of 200 m from the foot of a tower 100 m high so that it just passes over it horizontally. The direction of shot with horizontal is A shot is fired from a point at a distance of 200 m from the foot of a [...]