On this planet, the mass of the object will be most nearly

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ohggreonyy3004

Science

Description

A 4 kg object is taken to a planet that has 3 time the mass of earth and 1/2 the radius of earth. On this planet, the mass of the object will be most nearly

A. 12kg

B. 3kg

C. 48kg

D. 4 kg

E. 24 kg

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Explanation & Answer

C 48 kg

The gravitational force is directly proportional to mass and inversely proportional to the square of the distance from the centre

Hence 4 x 3 x 2² = 48 kg on new planet


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