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CBSE Class 9 Answered

Suppose a planet exists whose mass and radius both are half of that of earth.Calculate acceleration due to gravity on surface of planet.
Asked by farhana faru | 17 Sep, 2013, 12:51: PM
Expert Answer
Acceleration due to gravity is
Here, M is mass of planet and R is its radius
On earth, g = 9.8 m/s2.
 
On planet g' is
Thus, acceleration due to gravity on the planet is
 
Answered by Romal Bhansali | 18 Sep, 2013, 09:35: AM
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