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Question 81
To cover a distance of 225 km in 2.5 hours what should be the average speed of the car in meters/second?
Solution
The car covers 225 km in 2.5 hours
Speed of car (in km/h) = $$\frac{225}{2.5} = 90$$ km/hr
=> Speed of car (in m/s) = $$90 \times \frac{5}{18}$$
= $$5 \times 5 = 25$$ m/s
=> Ans - (D)
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