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Question:
A metal ball falls from a height of 32 metres on a steel plate. If the coefficient of restriction is 0.5 to what height will the ball rise after the second bounce

1.4 m

2.8 m

3.2 m

4.16 m

Posted Date:-2021-12-08 11:50:22

More MCQS Questions and answers

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  2. A nuclide of the element plutonium 94 Pu 242. What is the number of neutrons in its nucleus?
  3. From the following statements pick the correct statement about tunnel diode Statement 1: It uses the property of negative conductance Statement 2: In forward bias the fermilevel of p side becomes higher than the n side It operates at high frequency
  4. If the K.E of a body is increased by 300% its momentum will increase by
  5. If the stone is thrown up vertically and return to the ground, its potential energy is maximum
  6. If the unit of force and length each be increased by four times, then the unit of energy is increased by
  7. The number of protons or atomic number is reduced to 2 by which form of radioactive decay?
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  9. A a place where g = 980 cm/sec2 the length of seconds pendulum is about
  10. A body at rest may have
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  12. A body of mass M collides against a wall with a velocity V and retraces its path with the same speed. The change in momentum is (take the initial direction of the velocity as positive)
  13. A body of mass m kg is lifted by a man to a height of one metre in 30 seconds. Another man lifts the same mass to the same height in 60 seconds. The work done by them are in the ratio
  14. A bottle of soap water is grasped by the neck and swings briskly in a vertical circle. Near which portion of the bottle do the bubbles collect
  15. A bucket tied at the end of a 1.6 m long spring is whirled in a vertical circle with constant speed. What should be the minimum speed so that the water from the bucket does not spill when the bucket is at the highest position?
  16. A cane filled with water is revolved in a vertical circle of radius 4 metres and the water just does not fall down. The time period of revolution will be
  17. A force of 5 N acts on a 15 kg body initially at rest. The work done by the force during the first second of motion of the body is
  18. A force of 5 N, making an angle θ with the horizontal, acting on an object displaces it by 0.4 m along the horizontal direction. If the object gains kinetic energy of 1 J, the horizontal component of the force is
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  20. A light and a heavy body have equal kinetic energy. Which one has a greater momentum?
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  24. A nuclear fission reaction becoming self-sustaining depends on
  25. A particle executes S.H.M of amplitude A. At what distance from the mean position is its kinetic energy equal to its potential energy?
  26. A particle of mass m is hanging vertically by an ideal spring of force constant k. If the mass is made to oscillate vertically, its total energy is
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