JEE Main Physics question
The kinetic energy of a body of mass 3 kg and momentum 2 Ns is
Answer: (B)
Solution
E = p²/2m = (2)²/(2×3) = 4/6 = 2/3 J.
The kinetic energy of a body of mass 3 kg and momentum 2 Ns is
E = p²/2m = (2)²/(2×3) = 4/6 = 2/3 J.