Question 62

The speed of a car is 36 km/h. How much time(in minutes) will a bus traveling at one-fifth of the speed of the car take to cover a distance of 900 m?

Solution

The speed of the car = 36 km/hr= 36 $$\times\frac{5}{18}$$

= 10 $$\frac{m}{s}$$

From the question the bus is travelling at one-fifth of car speed i.e. 2 $$\frac{m}{s}$$

Now, from the formula Speed = $$\frac{distance}{time}$$

the time taken to reach 900m by bus = $$\frac{900}{2}$$ = 450 sec or 7 min 30 sec or 7.5 min.

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