# The weight of a p

The PE will remain same on the earth and on planet A.

Mass is same on both the surface since we are talking about the same person, now weight = mg such that

Weight on earth = 2(weight on planet A)

Mg on earth = 2(Mg’ on planet A)

Equating PE on both the planets.

Mgh on earth = Mg’h’ on planet A

2Mg’h = Mg’h’

2h =h’

h’ = 2(0.4) = 0.8 m

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