CBSE Class 11-science Answered
find the ratio of the acceleration due to gravity of two planets(surface) if their radii are in the ratio 1:2 under the condition (i)mass remains same (ii)material remains same.
Asked by toppin | 04 Nov, 2010, 06:41: PM
Expert Answer
Dear student
Acceleration due to gravity of first planet of mass 'm' and radius r1 is :
g1 = G m / r12 ...............(i)
Acceleration due to gravity of first planet of mass 'm' and radius r2 is :
g2 = G m / r22................(ii)
dividing (i) by (ii)
g1/g2 = r22 / r12 = 4 : 1
We hope this clarifies your doubt.
Regards
team
Topperlearning
Answered by | 06 Nov, 2010, 03:25: PM
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