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Gravitational Potential Energy

At what heigh...

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At what height from the surface of earth the gravitational potential and value of g are -5.4×10^{7 } J/Kg^2 and 6m/s^2 respectively take R=6400Km

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Q. At what height from the surface of earth, the gravitational potential and the value of g are

- 5.4 \times 10^{7} J / k g^{2}

6 m / s^{2}

respectively [take the radius of earth as 6400 km]

Q. At what height from the surface of earth the gravitation potential and the value of

g

- 5.4 \times 10^{7} J {k g}^{- 2}

6.0 {m s}^{- 2}

respectively? Take the radius of earth as

6400 k m

.

Q. The gravitational potential at height

h

above the earth's surface is

- 5.12 \times 10^{7} J / k g

and acceleration due to gravity at this point is

6.4 m s^{- 2}

. If radius of the earth is

6400 k m

h

m = 1 k g

Q. Gravitational potential of the body of mass m at a height h from surface of earth of radius R is (Take

g =

acceleration due to gravity at earth's surface)

Q. The value of

g

100 k m

from the surface of the Earth is nearly (Radius of the Earth

=

g

on the surface of the Earth

=

9.8 m / s^{2}

)

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