A space traveller has landed on the surface of an unknown planet.

$5.00

Description

A space traveller has landed on the surface of an unknown planet.

Question

a space traveller has landed on the surface of an unknown planet.

He drops a small lead all from the top of his space ship and finds that takes 3 seconds to reach the ground, 18m below. if the weight of the astronaut is 710N on earth, how much will be it be on this planet?

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