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
(6)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)