Physics MJ 42/22 Q7

1. From 0 to 0.15 s, the change in B rises by 2 squares.
2. From 0.15 to 0.25 s, the change in B falls by 4 squares, and change in time is 75% of (1.)
3. From 0.25 to 0.4 s, the change in B rises by 2 squares like (1.)

For (2.), the change in B is double. Also change in time is 75%