Question

72 km/h can be written as​

Answer 1

Answer:

Step-by-step explanation:

we know that 1km=1000m

and 1 hour = 3600s

so 1km/1h= 1000m/3600s= (5/18)m/s

so 1km/h=(5/18)m/s

so,72km/h= 72×(5/18)= 4×5 = 20m/s

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