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il63 [147K]
3 years ago
11

A planet with a mass one-half that of Earth has a radius that is 3 times that of Earth's radius. What is the gravitational field

strength of the planet?
Physics
1 answer:
stiv31 [10]3 years ago
6 0

The gravitational acceleration of a planet is proportional to the planet's mass, and inversely proportional to square of the planet's radius.

So when you stand on the surface of this particular planet, you feel a force of gravity that is

(1/2) / (3²)

of the force that you feel on the surface of the Earth.

That's <em>(1/18)</em> as much as on Earth.

The acceleration of gravity there would be about <em>0.545 m/s²</em>.  

This is about 12% less than the gravity on Pluto.

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