Acceleration due to gravity at earth's surface is 10 m s - 2 . The value of acceleration due to gravity at the surface of a planet of mass 1 5 th and radius 1 2 of the earth is -

Question

Acceleration due to gravity at earth's surface is 10 m s - 2 . The value of acceleration due to gravity at the surface of a planet of mass 1 5 th and radius 1 2 of the earth is -, 4 m s - 2, 6 m s - 2, 8 m s - 2, 12 m s - 2

MARKS App · Accepted Answer

g p = G M p R P 2 M p = m a s s o f p l a n e t R p = r a d i u s o f p l a n e t g p = A c c e l e r a t i o n d u e t o g r a v i t y on planet g p = G ( M e 5 ) ( R e 2 ) 2 = G × 1 5 × M e × 4 R e 2 = 4 5 g = 8 m s - 2

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