The planet Mars may be considered to be an isolated sphere of radiu... VIDEO
The planet Mars may be considered to be an isolated sphere of radius \( 3.395 \times 10^{6} \mathrm{~m} \) with its mass of \( 6.42 \times 10^{23} \mathrm{~kg} \) concentrated at its centre. A rock of mass \( 1 \cdot 40 \mathrm{~kg} \) rests on the surface of Mars.https://bit.ly/YTAI_PWAP https://www.pw.live
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