The radius of the Earth is r.A satellite of mass 100 kg is at a point 3r above the Earth's surface.What is the satellites' weight?
A) 6.3 N
B) 110 N
C) 61 N
D) 38 N

Question

Quizplus · Accepted Answer

The gravitational force (weight) on the satellite is calculated using the formula: F = G * (m1 * m2) / r^2. Here, m1 is the Earth's mass, m2 is the satellite's mass, and r is the distance from the Earth's center, which is 4r (r + 3r). The weight is 61 N.

The Radius of the Earth Is R