Motion in A Straight Line

Question: A car travels the first half of a distance between two places at a speed of 30 km/hr and the second half of the distance at 50 km/hr. The average speed of the car for the whole journey is



1) 42.5 km/hr
2) 40.0 km/hr
3) 37.5 km/hr
4) 35.0 km/hr
Solution: Explanation: Explaination
uniform-motion

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