Average Speed and Total Time Calculation
Average Speed and Total Time Calculation
Secondary 1
The average speed of a car for the first \(24\) minutes is \(80\) km/h. In the next \(2\) hours \(45\) minutes, it travelled a distance of \(318\) km.
- Express the total time taken in hours.
- Find the average speed of the car for the whole journey.
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Answer:(a) \(3.15\) hours (b) \(111\frac{1}{9}\text{ km/h}\) (approximately \(111\text{ km/h}\) to \(3\) s.f.)
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