a racing car travels 450 in 10 sec express this speed in kilometre per hour
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Answer:
162 Km/h
Step-by-step explanation:
Speed = 450/10 = 45 m/s
= 45/1000 * 1/3600
= 45/1000 * 3600
= 0.045 * 3600
= 162 Km/h
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