Author Question: Gravitational force is greater for a satellite in elliptical orbit when it is at the A) apogee ... (Read 67 times)

joe · **on:** Jul 29, 2018

Gravitational force is greater for a satellite in elliptical orbit when it is at the

A) apogee (farthest point).
B) perigee (closest point).
C) zenith.
D) same acceleration at all of the above places.

Question 2

A certain spherical asteroid has a mass of 3.5 1016 kg and a radius of 8.8 km. What is the minimum speed needed to escape from the surface of this asteroid? (G = 6.67 10-11 N m2/kg2)

A) 23 m/s
B) 16 m/s
C) 520 m/s
D) 730 m/s