Pls answer this I have to submit to my teacher. This is class 9 physics lesson motion pls help me
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pls mark as the brainlest
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10. speed of car(in meter per second) = 20m/s
speed of car(in km/h)=20×18/5 = 72km/h
11. speed of car (in kilometre per hour)= 54km/h
speed of car (in metre per second)= 54×5/18 m/s. = 15m/s
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