MHT CET Physics question
The distance between centre of the earth and moon is . If the mass of the earth is and . The speed of the moon is nearly [MHTCET 2002]
Answer: (A)
Solution
\sqrt{\frac{GM}{r}}\sqrt{\frac{6.66×10^{-11}×6×10^{24}}{3.84×10^{8}}}10^{3}$\
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