Question

A car increase it’s speed from 30 km/h to 35 km/h in 10 calculate its acceleration acceleration

Answer 1

V=u+at , a=(V-u)/t, a=(35-30)/10. a=0.5

Answer 2

Firstly change its unit by km/h to m/s
30km/h=30×5/18m/s
=8.33m/s
35km/h=35×5/18m/s=9.72m/s
Now,
Acceleration=(v-u)/t
(8.33-9.72)/10=8.09m/s² approx.