Question

a body of mass m is placed on a surface of earth is taken from earth surface to height of h=3R.Thenchange in gravitational potential energy is?

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Answer 1

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Answer 2

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The answer of u r question is.....✌️✌️


✖️A body mass m us placed on a surface of earth is taken from earth surface to height of h=3r .Then change in gravitational potential energy is??✖️


Ans:✍️✍️✍️✍️✍️✍️✍️✍️✍️✍️✍️✍️


Vi = -GMm/R

Vf = GMm/R+H


=GMm/R+3r


=GMm/4R


Delta V= Vf-Vi = GMm/R (1-1/4)


=g (r^2m/r)×3/4

= -3/4 mgR



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