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What is the mass of 4.2 kg of gold when it is transferred to a planet having twice the gravity of earth?

2 x 4.2 kg?

I believe I answered this elsewhere are well, but...

Weight and mass are two different things.

Mass is a measure of the amount of matter contained in something, weight is a measure of force (F-ma).

Doubling the gravity would certainly affect the weight, but do you think it would affect the mass?

8.4

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