Asked by Cynthia
A planet has a mass of 5.21x10^23 kg and a radius of 2.77x10^6 m. (a) what is the acceleration of this planet? (b) how much would a 65kg person weigh on this planet?
Answers
Answered by
oobleck
On earth, g = 9.81 m/s^2 because GM/r^2 = 9.81
So, for your planet, plug in those values and crank out the value of g', the new gravitational acceleration.
Then, for (b), F = mg'
So, for your planet, plug in those values and crank out the value of g', the new gravitational acceleration.
Then, for (b), F = mg'
Answered by
R_scott
(a) g = G * mass / radius = 6.67E-11 * 5.21E23 / 2.77E6 ... m/s^2
(b) 65 * g = ? ... N
(b) 65 * g = ? ... N
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