1.

The gravitational potential differencebetween the surface of a planet and point 20m above the surface is 2 J/kg. If thegravitational field is unißrm then the workdone in carrying a 5kg body to a height of4m above the surface is1) 2 Joule2) 20 Joule3) 40 Joule4) 10 Joule

Answer»

the answer is 2 joule



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