Question

what do you understand by the statement the speed of a cyclist is 25 km/h expressed its speed in metre/second

Answer 1

If the speed of the cyclist is 25 km/hr and you need to change it to m/s ,

multiply the value by 3.6.

i.e (25×18)/5

=90 m/s

Answer 2

The speed of a cyclist is 25 km/h expressed in m/s as 6.94 m/s.

Explanation:

The distance, time and speed relation is given as

$speed=\frac{distance}{time}$

Given speed of a cyclist  is 25 km /h.

We have to covert 25 km /h in to m/s.

1 km = 1000 m and  1 h = 3600 s.

Therefore,

$25 km/h =25\times\frac{1000m}{3600s}$

$25km/h=25\times\frac{5m}{18s}$

$25km/h=6.94m/s$

Thus, the speed of a cyclist is 25 km/h expressed in m/s as 6.94 m/s.

#Learn More:

Topic : conversion of km/h to m/s.

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