BilliePaul95
19.03.2020 •
Physics
Please help!
An astronaut measured the surface gravity of a planet to be 5.77 m/s^s. If it’s radius is 4.17 x 10^6 m, what is the mass of the planet?
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Ответ:
1.5x10^24
Explanation:
m * g = G * M * m ÷ r^2
g = G * M ÷ r^2
5.77 = 6.67 * 10^-11 * M ÷ (4.17 * 10^6)^2
M = 5.77 * (4.17 * 10^6)^2 ÷ 6.67 * 10^-11
this means the mass is approximately 1.5x10^24 also I just took this quiz and this is infact the right answer so I promise you it will work
Ответ:
The astronaut's final speed with respect to the shuttle after the tank is thrown is 1.9 m/s.
Explanation: