1. What should be the average speed of a car to cover a distance of 189 km in 3.5 hours?
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By: anil on 05 May 2019 02.13 am
The car covers 189 km in 3.5 hours Speed of car (in km/h) = $$frac{189}{3.5} = 54$$ km/hr => Speed of car (in m/s) = $$54 imes frac{5}{18}$$ = $$3 imes 5 = 15$$ m/s => Ans - (A)
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