What is the radius of a communications satellite’s orbital path that is in a uniform circular orbit around Earth and has a period of exactly 24.0 hours (86,400 seconds). (Measurement is from the center of Earth.)
A. 6.5 × 10^4 m
B. 3.8 × 10^5 m
C. 4.2 × 10^7 m
D. 9.5 × 10^7 m

Question

What is the radius of a communications satellite’s orbital path that is in a uniform circular orbit around Earth and has a period of exactly 24.0 hours (86,400 seconds). (Measurement is from the center of Earth.) 
A. 6.5 × 10^4 m 
B. 3.8 × 10^5 m 
C. 4.2 × 10^7 m 
D. 9.5 × 10^7 m

anonymous · Answer

|dw:1372786848843:dw|

G = 6.67 × 10^-11 N.m2/kg2
ME = 5.98 × 10^24 kg
1 hr = 3,600 s

souvik · Answer

yeah...you are right...

anonymous · Answer

but i still dont know wat to do my teacher hasn't tached us this yet

souvik · Answer

use your calculator and calculate it...

souvik · Answer

in which class do you read?

anonymous · Answer

in physics AP and you

souvik · Answer

what is AP?

anonymous · Answer

Advanced placement :)

souvik · Answer

is it in secondary education or high school

anonymous · Answer

High school it's my last year in high school im a senior already :) what grgrade are you in

souvik · Answer

i just passed high school..

anonymous · Answer

really wow congrats how does it feel ?

souvik · Answer

missing those school days...school friends..:(
college admission is in this month...

anonymous · Answer

really what college do you want to go to

souvik · Answer

i want to study physics honors....no engineering..

souvik · Answer

okay...close this question and post a new one...:)