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Standard VIII

Science

The Sun

On a planet w...

Question

On a planet (whose size is the same as that of earth and mass 4 times to the energy needed to lift a 2 $k g$ mass vertically upwards through 2 $m$ distance on the planet is (g=10m/ $s^{2}$ on surface of the earth )

J

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160

J

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320

J

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Solution

The correct option is C 160 $J$
Option C is the correct answer.

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On a planet (whose size is the same as that of earth and mass 4 times to the energy needed to lift a 2kg mass vertically upwards through 2m distance on the planet is (g=10m/s2on surface of the earth )

The correct option is C 160JOption C is the correct answer.

On a planet (whose size is the same as that of earth and mass 4 times to the energy needed to lift a 2 $k g$ mass vertically upwards through 2 $m$ distance on the planet is (g=10m/ $s^{2}$ on surface of the earth )

The correct option is C 160 $J$
Option C is the correct answer.