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Compare the binding energy of a body at rest on the surface of the earth with the binding energy of a body of same mass at rest on the surface of the moon. (g = 9.8 m/s^2 , Radius of the earth = 6400 km, Radius of the moon= 1747 km) Compare the binding energy of a body at rest on the surface of the earth with the binding energy of a body of same mass at rest on the surface of the moon. (g = 9.8 m/s^2 , Radius of the earth = 6400 km, Radius of the moon= 1747 km)
Binding energy on surface of earth isEe= GMem/Re = mgeReSimilarly on moon it isEm= GMmm/Rm = mgmRmComparing bothEe/Em = geRe/gmRm = 9.8 × 6400 / 1.625 × 1747 =22It is 22 time more on earth than on moon
Binding energy on surface of earth isEe= GMem/Re = mgeRe
Similarly on moon it isEm= GMmm/Rm = mgmRm
Comparing bothEe/Em = geRe/gmRm = 9.8 × 6400 / 1.625 × 1747 =22
It is 22 time more on earth than on moon
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