Question

Express 15 m s-l in km h-1.
Concise PHYSICS class 7 ISCE​

Answer 1

Answer:

54kmh^-1

Explanation:

15×18/5=270/5=54km/hr

TO CONVERT DISTANCE IN METRES PER SECOND TO KILOMETERS PER HOUR WE NEED TO MULTIPLY THE SPEED GIVEN INTO 18/5 AND KM/HR TO M/S 5/18

Answer 2

Answer:

15km/h

Explanation:

$15 \times \frac{18}{5} = 3 \times 18 = 54 \frac{km}{h}$

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