JEE Main Physics question
A box is moved along a straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to
Answer: (C)
Solution
With P constant, v ∝ √t (as in Q99), so s = ∫v dt ∝ ∫√t dt ∝ t^(3/2).
## 6.4 Collisions