Lila179 Lila179

14-08-2015
Physics

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An astronaut has weight W on Earth. The astronaut travels to a planet that has a mass 8 times greater than Earth's mass, and its radius is 2 times greater than Earth's radius. What is the astronaut's weight on the planet?

Respuesta :

14-08-2015

The mass alone would multiply his weight by 8. ... the radius alone would multiply his weight by 1/4. ... Together, his weight becomes ( 8 / 4 ) W = 2W.

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