Question

A VEHICLE IS ACCELERATING ON A STRAIGHT ROAD .ITS VELOCITY AT ANY INSTANT IS 30 KM/H,AFTER 2 SEC ,IT IS 33.6 KM/H AND AFTER FURTHER 2 SEC , IT IS 37.2 KM/H . FIND THE ACCELERATION OF VEHICLE IN M/S2 . IS THE ACCELERATION UNIFORM? plzz help fast with complete solution . The answer is coming out to be 0.5m/s2

Answer 1

yes ,its correct
we,know
a=(v-u)÷t
to convert from kmph to mph
kmph×5÷18
so,
a=(30-33.6)÷2
a=1.8
in mph2,
1.8 × 5÷18
=0.5 mph2
you're correct