• Support PF! Buy your school textbooks, materials and every day products Here!

Physics time problem

  • Thread starter mathcrzy
  • Start date
  • #1
47
0
1. Homework Statement

During an Apollo lunar landing mission, the command module continued to orbit the Moon at an altitude of about 104 km. How long did it take to go around the Moon once?

2. Homework Equations

T^2=[4pi^2(r)]/g

3. The Attempt at a Solution

square root of 4pi^2(7.35e25+104000)/9.8=1.7e13min. this answer does not make sense though
 

Answers and Replies

  • #2
Avodyne
Science Advisor
1,396
87
Where does the 7.35e25 come from?
 

Related Threads on Physics time problem

  • Last Post
Replies
4
Views
16K
  • Last Post
Replies
2
Views
2K
Replies
8
Views
22K
Replies
3
Views
1K
  • Last Post
Replies
2
Views
44K
Replies
9
Views
28K
Replies
2
Views
49K
Replies
3
Views
5K
  • Last Post
Replies
3
Views
643
Replies
1
Views
718
Top