In an Ap the first nth term is -17 and the sum of n terms is 60 .find the common difference
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Gravitational field intensity = gradient of Gravitational potential = dV/drThe gravitational potential gradient dV/dr is defined as the rate of change of gravitational potential with distance in the field. This is equal to the gravitational field intensity at that point.U = gravitational potential energy = –\xa0GMm/rGravitational potential V = U/m = – GM/rGravitational field intensity I = dV/dr= GM/r2