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Question 77
What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?
Solution
The car covers 342 km in 1.9 hours
Speed of car (in km/h) = $$\frac{342}{1.9} = 180$$ km/hr
=> Speed of car (in m/s) = $$180 \times \frac{5}{18}$$
= $$10 \times 5 = 50$$ m/s
=> Ans - (C)
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