If the speed of a car if 20 m/s .What is its speed in km/hr
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Answered by
0
Answer:
20m/ sec.
so , multiply itby 18/5
72km per hour
Answered by
2
Step-by-step explanation:
20m/sec=20×60×60/1000 km/hr
=2×6×6
=72km/hr
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