Question

a bus increase its speed from 20km\hr to 50km\hr in 10seconds .find its acceleration

Answer 1

u(initial velocity) =20km/hr
v(final velocity) =50km/hr
t(time)=10s=10/(60×60)=1/360

a=(v-u)/t
a=(50-20)/(1/3600)
a=30×3600
a=108000km/hr