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Aur bus travels a distance of 120 km with a speed of 40 km per hour and returns with a speed of 30 km per hour calculate the average speed of the entire journey |
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Answer» avg. velocity=total distance/total timet₁= 120/40 =3 hrt₂=120/30 =4 hrtotal distance=2×120 =240 kmavg. velocity=total distance/total timev=240/3+4 =240/7 =34.2 [APPROX.]HOPE it helped and pls MARK as brainliest:) |
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