Question

If a man running at 15 km per hour,
he passed a bridge in 9 seconds, what is the length of the bridge?

Answer 1

distance=speed×time

speed=19km/hour

time= 9sec

1m=1000km

19÷1000

0.019m

d=speed× time

9sec×0.019m

0.171m

so the pool length is 0.171m.

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