Physics, asked by sejju, 1 year ago

a bus travelling the first one third distance at a speed of 10km/h,the next one fourth at 20km/h and the remaining at 40 km/h.the average speed of the bus is nearly

Answers

Answered by kushalankur09p5h135
1
18.18 km/h should be the average speed of the bus
sejju: tnq
sejju: but how solve this question?
kushalankur09p5h135: velocity = total distance/ total time
kushalankur09p5h135: total distance = 1
sejju: ok
kushalankur09p5h135: and total time = [1/(3*10)] + [1/(4*20)] + [0.41/40]
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