Self Studies
Self Studies
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Self Studies

Gravitation Tes...

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  • Question 1
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    A satellite moves around the earth in a circular orbit of radius r with speed v, If mass of the satellite is M , its total energy is

  • Question 2
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    A satellite with K.E. Ek is revolving round the earth in a circular orbit. How much more K.E. should be given to it so that it may just escape into outerspace ?

  • Question 3
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    Potential energy of a satellite having mass m and rotating at a height of 6.4 x 106 m fromthe surface of earth

  • Question 4
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    When a satellite going round the earth in a circular orbit of radius r and speed v loses some of its energy, then r and v changes as

  • Question 5
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    The time period of a satellite of earth is 5 hours If the sepration between the earth and the satellite is increased to four times the previous value, the new time period will become ...... hours

  • Question 6
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    A person sitting in a chair in a satellite feels weightless because

  • Question 7
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    Two satellites A and B go round a planet in circular orbits having radii 4R and R respectively If the speed of satellite A is 3v, then speed of satellite B is

  • Question 8
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    A satellite moves in a circle around the earth, the radius of this circular is equal to one half of the radius of the moon’s orbit the satellite completes one revolution in .........lunar month

  • Question 9
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    The additional K.E. to be provided to a satellite of mass m revolving around a planet of mass M, to transfer it from a circular orbit of radius R1 to another radius R2 (R2 > R1) is

  • Question 10
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    Rockets are launched in eastward direction to take advantage of

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