Asked by adi
Consider a planet in space whose mass is twice that of earth and radius is thrice that of earth what will be the weight of a body on this planet if its weight on the earth is 900N ??
Answers
Answered by
Shalee^~^
(This must be math...)
F = G Mm/r^2
If M is doubled then F will be doubled.
If r is tripled then F is reduced to 1/9
The overall effect is 2 x 1/9 = 2 / 9
so W(on Earth) / w (on planet) = 2 / 9
W(on Earth) = 900 x 2 / 9 = 200 N
F = G Mm/r^2
If M is doubled then F will be doubled.
If r is tripled then F is reduced to 1/9
The overall effect is 2 x 1/9 = 2 / 9
so W(on Earth) / w (on planet) = 2 / 9
W(on Earth) = 900 x 2 / 9 = 200 N
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