The answer is that
a would be going at a high speed and if b is just standing there then b would be getting applied forced on it so b would straight wherever a pushes it
Explanation:
Lose its magnetic properties
speed of the participants is given as
now the kinetic energy of the participant is given as
As we know that
1 calorie = 4.2 J
so here 230 Calorie is provided by 1 bar
bar required is
I think it occurs whenever waves come together so that they are in phase with each other.