Physics, 02.12.2021 02:40 tayshhah3945

4. Car moves from A to B at a speed of 50 km/hr and comes back from B to A at a speed of 30 km/hr. Find its average speed during the journey.

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4. Car moves from A to B at a speed of 50 km/hr and comes back from B to A at a speed of 30 km/hr....

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