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The escape velocity for the earth is 11....

The escape velocity for the earth is 11.2 km / sec . The mass of another planet is 100 times that of the earth and its radius is 4 times that of the earth. The escape velocity for this planet will be

A

56.0 km/s

B

280 km/s

C

112 km/s

D

11.2 km/s

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The correct Answer is:
A
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Knowledge Check

  • Escape velocity for earth surface is 11 km/s. If the radius of any planet is two times the radius of the earth but average density is same that of earth, then the escape velocity at the planet will be ........

    A
    22 km/s
    B
    11km/s
    C
    5.5 km/s
    D
    15.5 km/s

  • The escape velocity from the surface of earth is v_e . The escape velocity from the surface of a planet whose mass and radius are 3 times those of the earth will be ...........

    A
    `v_e`
    B
    `3v_e`
    C
    `9v_e`
    D
    `27v_e`

  • The escape velocity of the surface of earth is 11.2 km/s. What would be the escape velocity of the surface of another planet of the same mass but (1^(th))/4 times the radius of the earth ?

    A
    44.8 km/s
    B
    22.4 km/s
    C
    5.6 km/s
    D
    11.2 km/s

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