The escape velocity for the earth is v
The escape velocity for the earth is ve . The escape velocity for a planet whose radius is four times and density is nine times that of the earth, is
(a) 36 ve (b) 12 ve
(c) 6 ve (d) 20 ve
Answer: b
(6)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)