JEE Main Physics question
The kinetic energy of a body becomes four times its initial value. The new momentum will be [WB-JEE 2007]
Answer: (B)
Solution
Since K = p²/2m, p ∝ √K. If K becomes 4K, then p becomes √4 = 2 times the original momentum.
The kinetic energy of a body becomes four times its initial value. The new momentum will be [WB-JEE 2007]
Since K = p²/2m, p ∝ √K. If K becomes 4K, then p becomes √4 = 2 times the original momentum.