Question

Express 15 m s-1 in km h-1

Answer 1

answer :-

as per your question ,

54 is answer

explanation :-

to change 15 m/s in km/h

we

,{ (15 by 1000 )× 60 × 60 }

and we got 54 km /h

Answer 2

$\huge\mathfrak{Bonjour!!}$

$\huge\bold\pink{ANSWER:}$

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✷✷ We know that,

✯ 1 km= 1000m

and,

✿ 1 hour= 3600sec

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⏩Q. Express 15m s^-1 in km h^-1..

Sol. Converting the speed , 15m/s to km/h:-

→ (15×3600/1000) km/h

→(15×18/5) km/h

→ 54 km/h or 54km h^-1

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Hope it helps...:-)

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