Question

a car is travelling at 20km/h its speed up to 60km/h in 6second. what is the acceleration

Answer 1

u= 20km/h
v=60km/h
t=6 sec
putting value and solve it
a= 6.6

Answer 2

u = 20km/h
v = 60km/h
t = 6 sec

. .
. a = (v - u) ÷ t
= (60-20) ÷ 6
=40 ÷ 6
=6.6666667 m/ s^2