Maharashtra Class 10 Answered
What would be the value of 'g' on the surface of the earth if its mass was twice as large and radius half of what it is now?
Asked by omkarzite15 | 05 Jul, 2019, 07:40: PM
Expert Answer
We know,
acceleartion due to gravity is,
g = GM/R2 ... (*)
where,
G - universal gravitational constant
M - mass of the earth
R - radius of the earth.
If the mass is twice then
M = 2M
Rradius is halved
thus,
R =R/2
Substituting in equation (*)
Thus,
g =9.8 m/s2
gc = 8 x 9.8 = 78.4 m/s2
Answered by Shiwani Sawant | 06 Jul, 2019, 02:47: PM
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