Author Question: The mass of Pluto is 1.25 1022 kg and its radius is 1.14 106 m. What is the value of g at the ... (Read 130 times)

futuristic · **on:** Jul 29, 2018

The mass of Pluto is 1.25 1022 kg and its radius is 1.14 106 m. What is the value of g at the surface of Pluto? G = 6.67 x 10-11 Nm2/kg2.

A) 0.642 m/s2
B) 9.81 m/s2
C) 1.62 m/s2
D) 3.72 m/s2
E) 1.40 m/s2

Question 2

The mass of the Moon is 7.4 1022 kg and its mean radius is 1.75 103 km. What is the acceleration due to gravity at the surface of the Moon?

A) 2.8 106 m/s2
B) 9.8 m/s2
C) 4.9 m/s2
D) 1.6 m/s2
E) 0.80 m/s2