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The typical adult human brain has a mass...

The typical adult human brain has a mass of about `1.4kg` What force does a full moon exert on such a brian when it is directly above with its centre `37000km` away? (Mass of the moon `=7.34 xx 10^(22)kg)` .

Text Solution

Verified by Experts

The correct Answer is:
`F=G(m_(1)m_(2))/(r^(2)) = (6.67 xx 10^-11 xx91.4 xx 7.34 xx 10^(22))/((378 xx 10^(6))^(2))`
`4.8 xx 10^(-5)N`
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The change in the value of acceleration of earth toward sun, when the moon coomes from the position of solar eclipse to the position on the other side of earth in line with sun is : (mass of moon =7.36xx10^(22) kg, orbital radius of moon =3.8xx10^(8) m.)

Knowledge Check

  • What would be the escape velocity from the moon, it the mass of the moon is 7.4 xx 10^(22) kg and its radius is 1740 km ?

    A
    `2.4 " ms"^(-1)`
    B
    `2.4 " kms"^(-1)`
    C
    `240 " kms"^(-1)`
    D
    `0.24 " kms"^(-1)`

  • What equal charges would have to be placed on earth and moon to neutralize their gravitational force of attraction? Given that mass of earth = 10^(25) kg and mass of moon = 10^(23) kg

    A
    `8.57xx10^(16)C`
    B
    `8.57xx10^(13)C`
    C
    `5.45xx10^(13)C`
    D
    `5.45xx10^(16)C`

  • The change in the value of acceleration of earth toward sun, when the moon coomes from the position of solar eclipse to the position on the other side of earth in line with sun is : (mass of moon =7.36xx10^(22) kg, orbital radius of moon =3.8xx10^(8) m.)

    A
    `6.73xx10^(-2) m//s^(2)`
    B
    `6.73xx10^(-3) m//s^(2)`
    C
    `6.73xx10^(-4) m//s^(2)`
    D
    `6.73xx10^(5) m//s^(2)`