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Mass and Weight

Weight of a p...

Question

Weight of a person on a planet is 1/2 of earth. He can jump upto 0.4m height on the surface of the earth. How high can he jump on the planet?

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Solution

Hello!
The weight of a person on Earth = W = mg
the weight of person on another planet = W₂ = W/2 = mg₂
here, the mass will remain constant.
So, g₂ = g/2
thus if the person were to jump h = 0.4 m on Earth, he will be able to jump
h₂ = 2h = 0.8 m on another planet.

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