Question
Physics Question on speed and velocity
An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of the escape velocity from the earth's surface. The height of the satellite above the earth's surface is [R = Radius of the earth]
A
2R
B
3/2 R
C
R/2
D
R
Answer
R
Explanation
Solution
The correct option is (D): R