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The planet in space has mass twice as th...

The planet in space has mass twice as that of the Earth and a radius thrice as that of the Earth. If the weight of a book is 90N on the Earth, what would be the weight on the planet?

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The correct Answer is:
20N
NA
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CHETAN PUBLICATION-GRAVITATION-NUMERICALS FOR PRACTICE
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  4. Calculate the value of g on the Moon, it its mass is 7.4xx10^(22)kg an...

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  5. If the weight of a body on the surface of the Moon is 100N what is its...

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  6. If the acceleration due to gravity on the surface of the Earth is 9.8m...

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  7. Calculate the escape velocity on the surface of the Moon given the mas...

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  8. Let the period of revolution of a planet at a distance R from a star b...

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  15. An object thrown vertically upwards reaches a height of 500m. What wa...

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