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Mathematics, 19.06.2020 22:57, bhhh7351
a car travels at 54 km/h for first 20seconds , 36km/h for next 30seconds and finally 18km/h for next 10 seconds find the averade velocity
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Answers: 2
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a car travels at 54 km/h for first 20seconds , 36km/h for next 30seconds and finally 18km/h for next...
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