Question

Two particles are initially separated by distance of 40 V2m are moving with same speed of 10 ms',
perpendicular to each other. Minimum possible separation will be
1)2012 m
2)20 m
3)20
2m
4)40 m​

Answer 1

Two particles A and B are initially 40 m apart, A is behind B . A is moving with uniform velocity of 10 m/s towards B . Particle B starts moving away .