Physics, asked by yaseen1998, 1 year ago

A car travels from A to B at a speed of 20 km/hr and returns at a speed of 30km/hr . The average speed of the car for the whole journey is

Answers

Answered by sprao534

1

Average speed =2/(1/20+1/30)=2(60/50)=24km/hr (hormonic mean).

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