Nataliearumugamidn
Answered

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a 200 kg rock lies on the surface of a planet. the acceleration due to gravity on the surface of the planet is 6,0. calculate the mass of the planet if it's radius is 700km​

Sagot :

Jay40891idn

Answer:

4.41 × 10²² kg

Explanation:

Let the mass of planet be M, rock be m

Therefore,

[tex]net \: force \: on \: rock \: = weight \\ (200)(6) = \frac{(6.67 \times 10 {}^{ - 11})(200)(m) }{(700000) {}^{2} } \\ m = 4.41 \times 10 {}^{22} \: kg[/tex]

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