Two cars start simultaneously form rest at the same place. one accelerate uniformly as 0.5m/s until it reaches a speed of 60m/s which it maintains steadily, the other accelarate uniformly at the speed of 80m/s which it maintained steadily. calculate
1. How many seconds will elapse before the cars are levelled and each travelling at equal speed.
2. the distance travelled by either car this time.