The asteroid Ceres has a mass 6.715 × 1020 kg and a radius of 543.4 km. What is g on the surface? The value of
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The asteroid Ceres has a mass 6.715 × 1020 kg and a radius of 543.4 km. What is g on the surface? The value of

[From: ] [author: ] [Date: 12-06-17] [Hit: ]
9*0.1517 N = 11.......
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

-
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


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