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# The distance between two bus stops is 5 km. A bus travels the distance in 20 min. What is the speed of the bus? Also, convert it into $\frac{m}{s}$ . Can it also be called as the average speed of the bus?

**Given:** the distance between two bus stops is 5 km. A bus travels the distance in 20 min

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**To find:** the speed of the bus, speed also in $\frac{m}{s}$

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**Solution:**

Distance between bus stops = 5 km

Time taken to cover 5 km = 20 min = $\frac{20}{60}hr$ = $\frac{1}{3}hr$

Speed of bus = $\frac {Distance}{time}$ =$\frac {5}{\frac{1}{3}}$ = $15 kmph$

Speed in $\frac{m}{s}$ = $15 kmph$ $\times \frac {5}{18}$ = $4.17$ $\frac{m}{s}$

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**So Speed of bus = 15 kmph, yes it can be called average speed.**

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