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The escape velocity for a body of mass 1 kg from the earth surface is

The escape velocity for a body of mass 1 kg from the earth surface is   11.2 kms-1 The escape velocity for a body of mass 100 kg would be

(a)   11.2 × 102 kms-2                       (b)   11.2 kms-1

(c) 11.2 × 10-2 kms-1                 (d)  None of these

Answer: b

(3)

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