Gravitational force is greater for a satellite in elliptical ...

[joe]

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

[joewallace]

Answer to Question 1

Answer: B

Answer to Question 2

A

[joe]

TYSM

[JaynaD87]

Gracias!