Suppose the gravitational force of the Earth on a body was $F = - \frac { K M _ { E } m } { r ^ { 3 } }$ .What escape velocity v_e would a body need to escape the gravitational field of the Earth? A) $\nu _ { e } = \sqrt { \frac { K M _ { E } } { 2 R _ { E } ^ { 2 } } }$ . B) $\nu _ { e } = \sqrt { \frac { K M _ { E } } { R _ { E } ^ { 2 } } }$ . C) $v _ { e } = \sqrt { \frac { K M _ { E } } { 2 R _ { E } } }$ . D) $v _ { e } = \sqrt { \frac { K M _ { E } } { R _ { E } } }$ . E) $\nu _ { e } = \sqrt { K M _ { E } }$ .

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The Answer of Suppose the gravitational force of the Earth on a body was $F = - \frac { K M _ { E } m } { r ^ { 3 } }$ .What escape velocity v_e would a body need to escape the gravitational field of the Earth? A) $\nu _ { e } = \sqrt { \frac { K M _ { E } } { 2 R _ { E } ^ { 2 } } }$ . B) $\nu _ { e } = \sqrt { \frac { K M _ { E } } { R _ { E } ^ { 2 } } }$ . C) $v _ { e } = \sqrt { \frac { K M _ { E } } { 2 R _ { E } } }$ . D) $v _ { e } = \sqrt { \frac { K M _ { E } } { R _ { E } } }$ . E) $\nu _ { e } = \sqrt { K M _ { E } }$ .

Suppose the Gravitational Force of the Earth on a Body F=−KMEmr3F = - \frac { K M _ { E } m } { r ^ { 3 } }F=−r3KME​m​

Suppose the Gravitational Force of the Earth on a Body $F = - \frac { K M _ { E } m } { r ^ { 3 } }$