abody goes a to b with a velocity of 40 metre per second and come back b to a with the velocity of 60 metre per second what is the average velocity and average speed along the whole journey
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Answer:
If d is the distance between a and b, total distance travelled is 2d. Total time taken is (d/40) + (d/60). Hence average speed = total distance/total time taken = 48 m/s.
Average velocity = displacement/time. Since the body is back to same point, displacement = 0. Hence ave. velo. = 0.
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1
Answer:
If d is the distance between a and b, total distance travelled is 2d. Total time taken is (d/40) + (d/60). Hence average speed = total distance/total time taken = 48 m/s.
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