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Q.

The escape velocity of 10g body from the Earth is 11.2 km s-1.  Ignoring air resistance, the escape velocity of 10kg of the iron ball from the Earth will be

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a

0.0112kms−1

b

0.112kms−1

c

11.2kms−1

d

0.56kms−1

answer is C.

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Detailed Solution

The escape velocity is independent of the mass of  the body.
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