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## Homework Statement

Knowing you can jump about 1m high on Earth's surface, how high can you jump on the unknown planet.

M

_{unknown}= 4.19*10^21kg

Radius

_{ Unknown}= 1*10^6m

## Homework Equations

Not sure if can be used in this question

K1+U1 = K2 + U2

1/2MV

^{2}+ mgh = 1/2MV

^{2}+ mgh

U=-GM/r and U = mgh

g=GM/R

^{2}

## The Attempt at a Solution

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I found the force of gravity on the unknown planet using GM/R

^{2}

Giving me 0.28m/s

^{2}

Can I just equate the two equations for Gravitional Potential energy (U) to find the new height? as in -GM/r = mgh?

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