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Lila179
Lila179 Lila179
  • 14-08-2015
  • Physics
Answered

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?

Verified Answer :

AL2006
AL2006 AL2006
  • 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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