Question

express 72km/hr in metre per second

Answer 1

To convert km/hr into m/sec-
Km/hr*15/18
72*15/18=60m/s
Answer 60m/s

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Answer 2

Hi dear !!!

here is your answer ;-

72km / s


5/18× 72



=> 5×4 = 20m /s


hope it help you dear !!!

thanks !!