Question

please answer the 3rd question ​

Answer 1

That would be better to be shown on graph..

Answer 2

Answer:

i if we assume that at t=0 the velocity is zero then net acceleration is

1 5/6=5/ 2=2.5

ii distance= Area underthe graph=35 m

iii retardation = 10/2=5 ( remember it is - ve acceleration