The escape velocity of a body on an imaginary planet which is thrice the radius of the earth and double the mass of the earth is
The escape velocity of a body on an imaginary planet which is thrice the radius of the earth and double the mass of the earth is ( ve is the escape velocity of earth)
(a) √2/3 ve (b) √3/2 ve
(c) √2/3 ve (d) 2/√3 ve
Answer: a
(10)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)