Question

A scooter acquires a velocity of 36 km/ h in 10 sec just after the start .It takes 20 sec to stop. calculate the acceleration in two cases ​

Answer 1

Here is the answer...!!!

Refer to the attachment...!!!

Answer 2

Answer:

u=0

v= 36km/h=10m/s

t=10sec

a=(10-0)/10=1m/s^2

now, u=10m/s

v=0

t=10 sec

a=(0-10)/10

=-1m/s^2