Three galaxies, each of mass M = 4.0 1041 kg, lie in a plane at ...

[jCorn1234]

Three galaxies, each of mass M = 4.0  1041 kg, lie in a plane at the corners of an equilateral triangle with sides of 5.0  1022 m length. The magnitude of the force the other two galaxies exert on each galaxy is
 a. 4.3  1027 N.
  b. 6.4  1027 N.
  c. 7.4  1027 N.
  d. 8.6  1027 N.
  e. 4.3  1028 N.

Question 2

What is the magnitude of the free-fall acceleration at a point that is a distance 2R above the surface of the Earth, where R is the radius of the Earth?
 a. 4.8 m/s2
  b. 1.1 m/s2
  c. 3.3 m/s2
  d. 2.5 m/s2
  e. 6.5 m/s2

[vickybb89]

Answer to Question 1

C

Answer to Question 2

B

[jCorn1234]

Gracias!

[AngeliqueG]

TYSM