Question

a boy runs at a speed of 8 metres per second. how long does he take to cover a distance of 1 km









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Answer 1

Answer:

125 sec

Step-by-step explanation:

Given:

Speed of boy = 8 m/s

Distance = 1 km = 1000 m

t = ?

We know :

v = s/t

By substituting the value,

8 = 1000/t

»» t = 1000/8

»» t = 125 sec

Here is the answer...

Hope it Helps

Answer 2

Time taken to cover 8m = 1s

time taken to cover 1m = 1/8 s

time taken to cover 1000m =

$= \frac{1}{8} \times 1000s \\ = 125s$