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the average speed of the object is 20 kilometre per hour
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Answer is 45m/s
As see they have given to find the average velocity see the average velocity is u+v/2 so that means
30+60/2
90/2
45m/s
As see they have given to find the average velocity see the average velocity is u+v/2 so that means
30+60/2
90/2
45m/s
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