Question

a bus cover a distance of 40 m in 4 second what is its speed in kilometre per hour​

Answer 1

Answer:

Distance Travelled = 40 metres

Time Taken = 4 seconds

Speed = Distance / Time = 40/4 = 10 m/s

Now, converting 10 m/s into km/h, we get

10 × 5/18 = 50/18 = 2.8 km/h ( approx. )

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Answer 2

answer

36km/h

explanation

s = D/T

40m÷4s = 10m/s                              10m/s×18/5=36km/h