Question

Velocity of a car moving with 72 km/h reduces to 18 km/h in 10 s. Find its reardation.

Answer 1

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HERE IS YOUR ANSWER.........

GIVEN:
☆Intial velocity(u)=72km/h
=>>>20m/s
☆Final velocity(v)=18km/h
=>>>5m/s
☆Time(t)=10s

REQUIRED ANSWER:
Reardation=final velocity-intial velocity/time
Reardation=v-u/t
=5-20/10
=-15/10
=-1.5m/s^2