Q: If the acceleration due to gravity on the earth's surface is g, the gain in the potential energy of an object of mass m raised from the surface of the earth to hight equal to the radius Re of the earth is- यदि पृथ्वी तल पर गुरुत्वीय त्वरण g है तो m द्रव्यमान की एक वस्तु को पृथ्वी तल से पृथ्वी की त्रिज्या Rₑ के बराबर ऊँचाई में स्थितिज ऊर्जा में वृद्धि होगी-
A.
B.
mg Rₑ.
C.
2mg Rₑ .
D.
Correct Answer:
Option D -
Explanations:
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