Question

At a given instant , the speed of a scooter 54 km/hr and after 10s it become 18km/hr ;calculate its acceleration ,assuming it to be constant .

Answer 1

acceleration=v-u/t
u=18km/hr
v=54km/hr
t=10sec
a=v-u/t
a=54-18/10
a=36/10
a=3.6