The period of a satellite circling planet Nutron is observed to ...

[schs14]

The period of a satellite circling planet Nutron is observed to be 84 s when it is in a circular orbit with a radius of 8.0  106 m. What is the mass of planet Nutron?
 a. 6.2  1028 kg
  b. 5.0  1028 kg
  c. 5.5  1028 kg
  d. 4.3  1028 kg
  e. 3.7  1028 kg

Question 2

A satellite circles planet Roton every 2.8 h in an orbit having a radius of 1.2  107 m. If the radius of Roton is 5.0  106 m, what is the magnitude of the free-fall acceleration on the surface of Roton?
 a. 31 m/s2
  b. 27 m/s2
  c. 34 m/s2
  d. 40 m/s2
  e. 19 m/s2

[chinwesucks]

Answer to Question 1

D

Answer to Question 2

B

[schs14]

Excellent

[olderstudent]

Thanks for the timely response, appreciate it