a cyclist start from rest and accelerate uniformly to achieve a velocity of 12m/sec in 5 sec.immediately he applied brake and come to rest in next 4 sec .calculate

Question

a)distance traveled during acceleration
b)distance traveled during retardation.
c)total displacement during whole journey.

Answer 1

a) (average velocity)x(5s) = ___
b) (average velocity)x(4s) = ___
c) Add a) and b)