Question

A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?​

Answer 1

The conventional approach to this question would be to find the velocity in metres per second, and then convert it to kilometres per hour.But the easiest approach is more simple:Distance = 600m = 0.6kmTime = 5min = (5/60)hrs = (1/12)hrsSpeed = Distance/Time = (0.6)/(1/12) = 12(0.6) = 7.2kmph

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Answer 2

Answer:

7 km 200 m

Step-by-step explanation:

5 minute = 600 metre

1 minute = 600/5

= 120 metre

60 minutes = 120 x 60

= 7 km 200 metre

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