Gravitation Question 260

Question: The distance between centre of the earth and moon is 384000 km. If the mass of the earth is [6×1024kg] and [G=6.66×1011Nm2/kg2] . The speed of the moon is nearly[MH CET 2002]

Options:

A) 1 km/sec

B) 4 km/sec

C) 8 km/sec

D) 11.2 km/sec

Show Answer

Answer:

Correct Answer: A

Solution:

[v=GMr=6.67×1011×6×1024384000×103=1,km/s]



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