The gpe of a body at a distance r from the centre of the earth is u. its weight at a distance 2r from the centre of the earth is?
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The Gvt Potential Energy at a distance R is,
U = GMm/r
And weight at distance 2r is
W = GMm/(2r)2 = GMm/4r2 = U/4r.
Hence Option (C).
Hope this helps.
U = GMm/r
And weight at distance 2r is
W = GMm/(2r)2 = GMm/4r2 = U/4r.
Hence Option (C).
Hope this helps.
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