convert the following speed as a pur given: 72km/hour into m/sec the answer is 20 m/sec

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Answer:20m/sec

Step-by-step explanation:Solution

1km/hour = 1000m/60×60sec

so 72km/hour = 72×1000/60×60

=> 20m/sec

Hence , 72km/hour in m/sec is 20m/sec