What is the acceleration of gravity at a point 28000 km from the planet's center?
A. 8.0 m/s2
B. 16 m/s2
C. 128 m/s2
D. cannot be determined from the information given
Answer:A
What is the acceleration of gravity at a point 28000 km from the planet's center?
A. 8.0 m/s2 B. 16 m/s2 C. 128 m/s2 D. cannot be determined from the information given