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The radius of the earth is R. If a body is taken to aheight 3R from the surface of the Earth, change inpotential energy is:(a) 3 mgR(b) mgR3(c) mgR(d) mgRThe coefficient of thermal conductivity of conner is |
| Answer» The radius of the earth is R. If a body is taken to aheight 3R from the surface of the Earth, change inpotential energy is:(a) 3 mgR(b) mgR3(c) mgR(d) mgRThe coefficient of thermal conductivity of conner is | |