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The value of acceleration due to gravity...

The value of acceleration due to gravity at earth's surface is 9.8ms^-1 . The altitude above its surface at which the acceleration due to gravity decreases to 4.9ms^-2 ,is close to (Take,radius of earth =6.4*10^6 m )

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The value of acceleration due to gravity at Earth's surface is 9.8ms^(-2) . The altitude (in metre) above its surface at which the acceleration due to gravity decreases to 4.9ms^(-2) , is close to :(Radius of earth =6.4xx10^(6)m )

What is the value of acceleration due to gravity on the surface of earth ?

Knowledge Check

  • The value of acceleration due to gravity at earth's surface is 9.8 ms^(-2) . The altitude above its surface at which the acceleration due to gravity decreases to , is close to: (radius of earth = 6.4 xx 10^(6) m )

    A
    `2.6 xx 10^(6)m`
    B
    `6.4 xx 10^(6)m`
    C
    `9.0 xx 10^(6)m`
    D
    `1.6 xx 10^(6)m`

  • The value of acceleration due to gravity at the surface of earth

    A
    is maximum at the poles
    B
    is maximum at the equator
    C
    remains constant everywhere on the surface of the earth
    D
    is maximum at the international time line

  • What is the value of acceleration due to gravity of the surface of the Earth?

    A
    2 `m//s^(2)`
    B
    4.9 `m//s^(2)`
    C
    9.8 `m//s^(2)`
    D
    8 `m//s^(2)`

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    At what height from the surface of earth, the acceleration due to gravity decreases by 2% ? [Radius of earth = 6,400 km.]

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