Question

pls answer fast
i have a doubt here pls answer fast

Answer 1

Answer:

1st case 0.1m/s² acceleration

2nd case 0.4m/s² retardation or -0.4m/s²

Answer 2

Answer:

u=0

v=6m/s

t=60s

a in 1st case=v-u/t

6-0/60=1/10m/s^2

u=6m/s

v=4m/s

t=10s

a in 2nd case= v-u/t

4-6/10= -2/10{retardation)