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A planet has one-fifth the mass of Earth and half the radius of Earth
PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation
Problem
A planet has one-fifth the mass of Earth and half the radius of Earth. What is the approximate value of
g
g
g
on this planet’s surface? (a)
12.3
m/s
2
12.3\,\text{m/s}^2
12.3
m/s
2
(b)
3.9
m/s
2
3.9\,\text{m/s}^2
3.9
m/s
2
(c)
7.8
m/s
2
7.8\,\text{m/s}^2
7.8
m/s
2
(d)
8.8
m/s
2
8.8\,\text{m/s}^2
8.8
m/s
2
Related theory
Universal Law of Gravitation
Gravitation
Acceleration Due to Gravity (g)
Gravitational Field & Acceleration
Variation of g
Acceleration due to gravity at Earth's surface
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