The mass of the earth is $$6.00\times {{10}^{24}}\,kg$$ and that of the moon is $$7.40\times {{10}^{22}}\,kg$$. The constant of gravitation $$G=6.67\times {{10}^{-11}}\,N-{{m}^{2}}/k{{g}^{2}}$$. The potential energy of the system is $$-7.79\times {{10}^{28}}\,joules$$. The mean distance between the earth and moon is [MP PMT 1995]

Question

The mass of the earth is $$6.00\times {{10}^{24}}\,kg$$ and that of the moon is $$7.40\times {{10}^{22}}\,kg$$. The constant of gravitation $$G=6.67\times {{10}^{-11}}\,N-{{m}^{2}}/k{{g}^{2}}$$. The potential energy of the system is $$-7.79\times {{10}^{28}}\,joules$$. The mean distance between the earth and moon is                       [MP PMT 1995]

TuteeHUB · Accepted Answer

$$3.37\times {{10}^{6}}\,metres$$

TuteeHUB · Answer

$$3.80\times {{10}^{8}}\,metres$$

TuteeHUB · Answer

$$7.60\times {{10}^{4}}\,metres$$

TuteeHUB · Answer

$$1.90\times {{10}^{2}}\,metres$$

1.	The mass of the earth is \[6.00\times {{10}^{24}}\,kg\] and that of the moon is \[7.40\times {{10}^{22}}\,kg\]. The constant of gravitation \[G=6.67\times {{10}^{-11}}\,N-{{m}^{2}}/k{{g}^{2}}\]. The potential energy of the system is \[-7.79\times {{10}^{28}}\,joules\]. The mean distance between the earth and moon is [MP PMT 1995]
A.	\[3.80\times {{10}^{8}}\,metres\]
B.	\[3.37\times {{10}^{6}}\,metres\]
C.	\[7.60\times {{10}^{4}}\,metres\]
D.	\[1.90\times {{10}^{2}}\,metres\]
Answer» B. \[3.37\times {{10}^{6}}\,metres\]

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