Blood circulating from the heart to the hands and back to the heart travels a distance of about 2.1 m in 39 s. Find the average speed of the blood...Here is another one. I have a problem with..similar to the last one..but I think its when I am converting, I mess up. Please help. Thank you.
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There's really not much to mess up.
Av. speed = total distance / total time = 2.1m / 39s = 0.0538 m/s or 5.38 cm/s
Av. speed = total distance / total time = 2.1m / 39s = 0.0538 m/s or 5.38 cm/s