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Gravitation Tes...

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  • Question 1
    1 / -0

    Two bodies of mass 2 m and 3 m are approaching each other at velocity 4v and 5v respectively. After a while their velocities become 6v and 7v respectively. What is the total change in potential energy?

  • Question 2
    1 / -0

    What causes tides?

    (i) Attraction of sun
    (ii) Attraction of moon
    (iii) Attraction of earth

  • Question 3
    1 / -0

    The mass of a satellite increases by a factor of two. The orbital velocity

  • Question 4
    1 / -0

    Which of the following statements are true?
    (i) Orbital velocity is more than escape velocity.
    (ii) Escape velocity is √2 times the orbital velocity.
    (iii) Orbital velocity increases with radius.
    (iv) A body with a velocity equal to the orbital velocity will orbit the planet in a circular path.

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