Question:
3 12 m s 4 20 m s 37 A car moving on a straight road covers
Last updated: 6/12/2023
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3 12 m s 4 20 m s 37 A car moving on a straight road covers half a certain distance with a speed of 40 km h a the other half with 60 km h Then its avera speed is 1 40 km hr 3 46 km hr 2 80 km hr 4 48 km hr