State the SI unit of speed. A girl moves with the speed of 3km/h for 1 h and 2km/h for 1 h. Find the average speed of the girl and total distance
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40. minutes the gril. walk
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3km/1h+2km/1h
5km/2h
=2.5km/h is the average speed
5km for 2hours is the total distance
5km/2h
=2.5km/h is the average speed
5km for 2hours is the total distance
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