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Work, Energy an...

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  • Question 1
    4 / -1

    In an inelastic collision, what is conserved

  • Question 2
    4 / -1

    A body of mass 2 kg is moving with velocity 10 m/s towards east. Another body of same mass and same velocity moving towards north collides with former and coalesces and moves towards north-east. Its velocity is

  • Question 3
    4 / -1

    Which of the following is not a perfectly inelastic collision

  • Question 4
    4 / -1

    The quantity that is not conserved in an inelastic collision is

  • Question 5
    4 / -1

    A ball moves in a frictionless inclined table without slipping. The work done by the table surface on the ball is

  • Question 6
    4 / -1

    A horizontal force of 5 N is required to maintain a velocity of 2 m/s for a block of 10 kg mass sliding over a rough surface. The work done by this force in one minute is

  • Question 7
    4 / -1

    Identify the wrong statement

  • Question 8
    4 / -1

    A nucleus at rest splits into two nuclear parts having same density and radii in the ratio 1 : 2. Their velocities are in the ratio

  • Question 9
    4 / -1

    The slope of kinetic energy displacement curve of a particle in motion is

  • Question 10
    4 / -1

    The energy required to accelerate a car from 10 m/s to 20 m/s is how many times the energy required to accelerate the car from rest to 10 m/s

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