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*Image* A small bucket of mass M is attached to a long inextensible cord of length :L as shown in fig. The bucket is released from its lowest position, the bucket scoops up mass m and swing to a height h. The height h is A. L ...
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*Image* A heaps of chain is lying on a horizontal table. A small section of the chain is released through a hole in the table. Calculate the velocity as a function of the length of the chain hanging vertically. A. √(2gx/3) ...
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in a gamma decay process, the internal energy of a nucleus of mass M decreases, a gamma photon of energy E and linear momentum E/c is emitted and the nucleus recoils Find the decrease in internal energy ...
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*Image* A meter scale lying horisontally on a floor is struck by a ball as shown in fig. Which of the following quantities is conserved for the ball scale system. A. Linear momentum B. Kinetic energy of transmission C. Angula ...
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Two masses m and 2m are attached to two ends of an ideal spring and the spring is in the compressed state. The energy of spring is 60 joule. If the spring is released, then A. the energy of both bodies will be same. B. energy ...
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in a gamma decay process, the internal energy of a nucleus of mass M decreases, a gamma photon of energy E and linear momentum E/c is emitted and the nucleus recoils Find the decrease in internal energy ...
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During a heavy rain hailstones of average size 1 cm dia falls with a average speed of 20 m/s. Suppose 200 hailstones strike every sq.m of a 10mX10m roof perpendicularly in one sec and assume that the hailstones do not rebound ...
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A ball of mass m is dropped on to a floor from a certain height The collision is perfectly elastic and the ball rebounds to the same height and again falls. Find the average force exerted by the ball on the floor during a lon ...
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A gun is mounted on a railroad car. The masses of shell gun car is 50m where m is mass of one shell. If the velocity of gun w r t gun in its state before firing is 200m/s What is the recoil speed of the car after the second s ...
