physics
motion
Easy
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
- 42.5 km/hr
- 40.0 km/hr
- 37.5 km/hr
- 35.0 km/hr
The correct answer is: 37.5 km/hr
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