1.

The mass of the earth is 6.00 xx 10^24 kg and that of the moon is 7.40 xx 10^22kg. The constant of gravitation G = 6.67 xx 10^(-11) N-m^2kg^(-2). The potential energy of the system is - 7.79 xx 10^28J. The mean distance between the earth and moon is

Answer»

`3.80 XX 10^(8)` m
`3.37 xx 10^(6)` m
`7.60 xx 10^(4) m`
`1.90 xx 10^(2)` m

ANSWER :A


Discussion

No Comment Found