The asteroid Ceres has a mass 6.715 × 1020 kg
and a radius of 543.4 km.
a. What is g on the surface? The value
of the universal gravitational constant is
b. How much would a 77.9 kg astronaut weigh
on this asteroid?
Answer in units of N
6.67259 × 10−11 N · m2/kg2.
Answer in units of m/s2
and a radius of 543.4 km.
a. What is g on the surface? The value
of the universal gravitational constant is
b. How much would a 77.9 kg astronaut weigh
on this asteroid?
Answer in units of N
6.67259 × 10−11 N · m2/kg2.
Answer in units of m/s2
-
g = GM/R^2
g = 6.67*10^-11*6.715*10^20/(543400)^2
g = 0.1517 m/s^2
weight = mass*g = 77.9*0.1517 N = 11.82 N
OG
g = 6.67*10^-11*6.715*10^20/(543400)^2
g = 0.1517 m/s^2
weight = mass*g = 77.9*0.1517 N = 11.82 N
OG