Suppose the gravitational force of the Earth on a body was . What escape velocity ve would a body need to escape the gravitational field of the Earth?
A) $v_{e}=\sqrt{\frac{K M_{E}}{2 R_{E}^{2}}}$ .
B) $v_{e}=\sqrt{\frac{K M_{E}}{R_{E}^{2}}}$ .
C) $v_{e}=\sqrt{\frac{K M_{E}}{2 R_{E}}}$ .
D) $v_{e}=\sqrt{\frac{K M_{E}}{R_{E}}}$ .
E) $v_{e}=\sqrt{K M_{E}}$ .

Question

Suppose the gravitational force of the Earth on a body was  . What escape velocity ve would a body need to escape the gravitational field of the Earth?
A) $v_{e}=\sqrt{\frac{K M_{E}}{2 R_{E}^{2}}}$ . 
B) $v_{e}=\sqrt{\frac{K M_{E}}{R_{E}^{2}}}$ . 
C) $v_{e}=\sqrt{\frac{K M_{E}}{2 R_{E}}}$ . 
D) $v_{e}=\sqrt{\frac{K M_{E}}{R_{E}}}$ . 
E) $v_{e}=\sqrt{K M_{E}}$ .

Quizplus · Accepted Answer

The Answer of Suppose the gravitational force of the Earth on a body was  . What escape velocity ve would a body need to escape the gravitational field of the Earth?
A) $v_{e}=\sqrt{\frac{K M_{E}}{2 R_{E}^{2}}}$ . 
B) $v_{e}=\sqrt{\frac{K M_{E}}{R_{E}^{2}}}$ . 
C) $v_{e}=\sqrt{\frac{K M_{E}}{2 R_{E}}}$ . 
D) $v_{e}=\sqrt{\frac{K M_{E}}{R_{E}}}$ . 
E) $v_{e}=\sqrt{K M_{E}}$ .

Suppose the Gravitational Force of the Earth on a Body ve=KME2RE2v_{e}=\sqrt{\frac{K M_{E}}{2 R_{E}^{2}}}ve​=2RE2​KME​​​

Suppose the Gravitational Force of the Earth on a Body $v_{e}=\sqrt{\frac{K M_{E}}{2 R_{E}^{2}}}$