Answer:
Explanation:
55km=55000m
1hr=3600sec
55km/hr=55000/3600 m/sec= 275/18 m/sec = 15.2777778(appx.)
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Answer:
Explanation:
55km=55000m
1hr=3600sec
55km/hr=55000/3600 m/sec= 275/18 m/sec = 15.2777778(appx.)