A planet has half the mass of Earth but only half the radius of Earth

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

A planet PP has half the mass of Earth but only half the radius of Earth. If the weight of an object at Earth’s surface is WEW_E, its weight at the surface of planet PP will be (a) 1 WE1\,W_E (b) 2 WE2\,W_E (c) 0.25 WE0.25\,W_E (d) 0.5 WE0.5\,W_E

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