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Is it true that $30 km / h$ is greater than $30 m / s$ ?

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True

False

answer is B.

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Detailed Solution

The above statement is False.
Speed of an object is defined as the ratio of distance travelled to the time taken.
Distance travelled is expressed in

m

km

Time taken to travel is expressed in

s

h

For

30 km / h

, it is travelling 30 kilometres per hour
Converting

km / h

m / s

30 km / h

= (

30 \times 10000) / (60 \times 60)

\Rightarrow

= 30 \times 5 / 18

\Rightarrow

= 8.3 m / s

So,

30 km / h

is less than

30 m / s

.
The correct statement would be

30 km / h

is less than

30 m / s

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