The polar orbiting satellite NOAA-N was launched in May 2005. The satellite is now moving in a circular orbit above the Earth's surface at an altidude of 870 km. THe mass of the Earth is 5.97 x1024kg and its mean radius is 6.38 x106m.
Show that the orbital speed of the satellite is 7.41 x103ms-1
i used v=√GM/r
where G = 6.67 x10-11
The Attempt at a Solution
What I got was..
v = √(6.67 x10-11)(5.97 x1024)/6.38 x106
v = 7.86 x103ms-1
What am I doing wrong? D: