Physics, asked by harshitha05, 1 year ago

A satellite is moving in a circular orbit around the earth with a speed equal to half the escape speed from the earth. If 'R' is the radius of the earth, then the height of the satellite above the surface of the earth is ..............please help me

Answers

Answered by aayush6170
0
The height of the satellite above the surface of the earth is 2R

harshitha05: but answer is R..... I want explanation
Answered by Anonymous
1
Hello
___________________❤

_______Answer ⤵⤵⤵

V = √(GM/R)
V = velocity in m/s
G = 6.673e-11 Nm²/kg²

V² = GM/R
R = GM/V²

We get,
Ve = √(2GM/(GM/V²) = V√2

Kinetic Energy = KE = ½mv² = ½m(V√2)² = mV²

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