The escape velocity of the earth is v . If an object is thrown vertic – McqOptions

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1.	The escape velocity of the earth is v . If an object is thrown vertically upwards with a velocity kv , what is the speed of the object at infinity?
A.	v/(k<sup>2</sup>-1)<sup>1/2</sup>
B.	v(k<sup>2</sup>-1)<sup>1/2</sup>
C.	v<sup>2</sup>/(k<sup>2</sup>-1)
D.	v<sup>2</sup> (k<sup>2</sup>-1)
Answer» C. v<sup>2</sup>/(k<sup>2</sup>-1)

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