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a person moves for 200km with 50 kmph next 300 km with 90 kmph and the next 150km with 100kmph speed. find the average speed of the whole journey |
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Answer» ong>Answer: 2.70 m/s Explanation: a = total d/total TIME 200+300+150/100+90+50 650/240 = 2.70m/s mark me as BRAINLIEST |
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