Question

2. If the mass of a planet is 1/100 th the mass of the earth and radius is 74 th the radius of earth,
what is weight of an object on the planet as compared to that on the earth?
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Answer 1

Answer:

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Explanation:

g constant on earth that is g=

R

GM

g constant on planet that is g

1

=

10R

3GM

relation between then g

1

=

10

3g

Now energy remains constant

Hence, mg×90=

100

m×3g×h

we get h=300m.