Question
How far from the center of the earth must a satellite be placed so that the acceleration due to
gravity is half the value at the surface? (Hint: the diameter of the earth is 1.3x107 m.)
gravity is half the value at the surface? (Hint: the diameter of the earth is 1.3x107 m.)
Answers
Steve
the acceleration at 1 radius is 9.8
Since F=k/r^2, half the value means 1/√(1/2) = √2 times the radius.
Since F=k/r^2, half the value means 1/√(1/2) = √2 times the radius.