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The value of acceleration due to gravity...

The value of acceleration due to gravity is 980 `cm//s^2`. What will be it’s value if lengthen kilometers and that of time in minute.

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Acceleration due to gravity g=__________ m//s^2 .

At what place ‘g’ acceleration due to gravity is maximum and where it is minimum ?

Knowledge Check

  • If the value of acceleration due to gravity on the surface of the earth is 9.8m//s^2 . What is the mean value of density of earth ? (G=6.67xx10^-11nm^2//kg^2,R=6400km)

    A
    `5.5xx10^3kg//m^3`
    B
    `5.5xx10^3gm//cm^3`
    C
    `0.55xx10^3gm//cm^3`
    D
    `0.55xx10^3kg//m^3`

  • What is the value of acceleration due to gravity on the surface of the moon ? Given that the mass of the moon is 1//80 times that of the earth and diameter of the moon is 1//4 times that of earth (g=9.8m//s^2) .

    A
    `19.6m/s^2`
    B
    `19.6km//s^2`
    C
    `1.96km//sec^2`
    D
    `1.96m//sec^2`

  • The average acceleration in one time period in S.H.M. is,

    A
    `aomega`
    B
    `(aomega^2)//2`
    C
    `(aomega^2)`
    D
    Zero

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    The radius of a circle is increasing at the rate of 0.9 cm/s. What is the rate of increase of its circumference ?

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