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General
Easy
Question
A uniform thin stick of length 
and mass m is held horizontally with its end B hinged at a point B on the edge of a table. Point A is suddenly released. The acceleration of the centre of mass of the stick at the time of release, is :
The correct answer is:
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In given figure, the small block of mass 2m is released from rest when the string is in horizontal position, Find the tension in the string when the block has maximum velocity.
In given figure, the small block of mass 2m is released from rest when the string is in horizontal position, Find the tension in the string when the block has maximum velocity.
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In given figure, the small block of mass 2m is released from rest when the string is in horizontal position, Maximum possible velocity of ring of mass ‘m’ is (Assuming zero friction):
In given figure, the small block of mass 2m is released from rest when the string is in horizontal position, Maximum possible velocity of ring of mass ‘m’ is (Assuming zero friction):
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On producing the waves of frequency 1000 Hz in a Kundt’s tube, the total distance between 6 successive nodes is 
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On producing the waves of frequency 1000 Hz in a Kundt’s tube, the total distance between 6 successive nodes is Speed of sound in the gas filled in the tube is
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In given figure, the small block of mass 2m is released from rest when the string is in horizontal position, Displacement of the ring when string makes an angle 
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A smooth ball 'A' moving with velocity 'V' collides with another smooth identical ball at rest. After collision both the balls move with same speed with angle between their velocities 
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A smooth ball 'A' moving with velocity 'V' collides with another smooth identical ball at rest. After collision both the balls move with same speed with angle between their velocities . No external force acts on the system of balls. The speed of each ball after the collision is
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Two blocks of equal mass m are connected by an unstretched spring and the system is kept at rest on a frictionless horizontal surface. A constant force F is applied on the first block pulling it away from the other as shown in figure. If the extension of the spring is 
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Two blocks of equal mass m are connected by an unstretched spring and the system is kept at rest on a frictionless horizontal surface. A constant force F is applied on the first block pulling it away from the other as shown in figure. If the extension of the spring is at time t, then the displacement of the left block at this instant is :
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Two blocks of equal mass m are connected by an unstretched spring and the system is kept at rest on a frictionless horizontal surface. A constant force F is applied on the first block pulling it away from the other as shown in figure. If the extension of the spring is at time t, then the displacement of the right block at this instant is :
Two blocks of equal mass m are connected by an unstretched spring and the system is kept at rest on a frictionless horizontal surface. A constant force F is applied on the first block pulling it away from the other as shown in figure. If the extension of the spring is at time t, then the displacement of the right block at this instant is :
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Two blocks of equal mass m are connected by an unstretched spring and the system is kept at rest on a frictionless horizontal surface. A constant force F is applied on the first block pulling it away from the other as shown in figure. Then the displacement of the centre of mass at time t is :
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When a block is placed on a wedge as shown in the figure, the block starts sliding down and the wedge also start sliding on ground. All surfaces are rough. The centre of mass of (wedge + block) system will move
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A particle of mass m is given initial speed u as shown in the figure. It transfers to the fixed inclined plane without a jump, that is, its trajectory changes sharply from the horizontal line to the inclined line. All the surfaces are smooth and 
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A particle of mass m is given initial speed u as shown in the figure. It transfers to the fixed inclined plane without a jump, that is, its trajectory changes sharply from the horizontal line to the inclined line. All the surfaces are smooth and Then the height to which the particle shall rise on the inclined plane (assume the length of the inclined plane to be very large)
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Particle 'A' moves with speed 10 m/s in a frictionless circular fixed horizontal pipe of radius 5 m and strikes with 'B' of double mass that of A. Coefficient of restitution is 1/2 and particle 'A' starts its journey at t = 0. The time at which second collision occurs is :
Particle 'A' moves with speed 10 m/s in a frictionless circular fixed horizontal pipe of radius 5 m and strikes with 'B' of double mass that of A. Coefficient of restitution is 1/2 and particle 'A' starts its journey at t = 0. The time at which second collision occurs is :
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AB is an L shaped obstacle fixed on a horizontal smooth table. A ball strikes it at A, gets deflected and restrikes it at B. If the velocity vector before collision is 
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AB is an L shaped obstacle fixed on a horizontal smooth table. A ball strikes it at A, gets deflected and restrikes it at B. If the velocity vector before collision is and coefficient of restitution of each collision is 'e', then the velocity of ball after its second collision at B is
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