Question

A spaceship lands on the planet whose radius is 5 times that of planet earth and whose mass is 25 times that of planet earth. Find the apparent weight of the astronaut on the second planet if the astronaut weighs 150lbs on planet earth

Answer 1

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Answer 2

radius 5x, makes Gravity 1/25th
mass= 25x, makes the graviaty 25x

so it looks like the person weights 150lbs on that planet.