Question

A boy is running at a speed of 30 km/hr. How many seconds are needed by him to cover a distance of 500 m?

Answer 1

Answer:

60sec

Explanation:

In Picture

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Answer 2

By using distance time and speed fromulae

Time = Distance

speed

t = 500/30

But 30km/hr = 8.3333 = 8.3m/s

t= 500/8.3

t= 60.24 sec

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