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Miscellaneous Test - 69
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Miscellaneous Test - 69
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  • Question 1/10
    4 / -1
    Hailstorm are observed to strike the surface of a frozen lake in a direction making an angle of 30 c to the vertical and to rebound at an angle of 60 C to the vertical. Assuming the contact to be smooth, the coefficient of restitution is
    Solutions

  • Question 2/10
    4 / -1
    Any heavy elastic ball falls from the ceiling of any room and after rebounding two times reaches the half of the height of ceiling. The coefficient of restitution is
    Solutions

  • Question 3/10
    4 / -1
    A ball of 1 kg moving with velocity 7 m/sec overtakes and collides with a ball of mass 2 kg moving with velocity 1 m/sec in the same direction. If e = 3/4, the velocity of the lighter ball after impact is
    Solutions

  • Question 4/10
    4 / -1
    A ball falls from a height h upon a fixed horizontal plane, e is the coefficient of restitution, the whole distance described by the ball before it comes to rest is
    Solutions

  • Question 5/10
    4 / -1
    A ball of mass 8 kg and moving with velocity 4 m/sec collides with another ball of mass 10 kg moving with velocity 2 m/sec in the same direction. If the coefficient of restitution is 1/2, the velocities (in m/sec) of the balls after impact are
    Solutions

  • Question 6/10
    4 / -1
    A sphere impinges directly on an equal sphere which is at rest. Then the original kinetic energy lost is equal to
    Solutions

  • Question 7/10
    4 / -1
    A ball weighing 2 kg and speed 6 m/s collides with another ball of 4 kg moving in opposite direction with speed of 3 m/s. They combine after the collision. The speed of this combined mass in rn/s is
    Solutions

  • Question 8/10
    4 / -1
    A 15 kg block is moving on ice with a speed of 5 metre per second when a 10 kg block is dropped onto it vertically. The two together move with a velocity which in metre per second is
    Solutions

  • Question 9/10
    4 / -1
    A particle is projected with velocity 2(√2g) so that it just clear two walls of equal height 2 metre, which are at a distance of 4 metre from each other. What is the time of passing from one wall to another?
    Solutions

  • Question 10/10
    4 / -1
    If you want to kick a football to the maximum distance the angle at which it should be kicked is (assuming no resistance)
    Solutions

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