an object moves 18 minute in the first 3 second 22 minutes in the next 3 second and 14 minutes in the last 3 seconds what is the average speed
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(18+22+14)/(3+3+3)
54/9
=6 m
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this is helpful
(18+22+14)/(3+3+3)
=54/9 = 9ms^-1
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