1.The aorta is a major artery, rising upward from the left ventricle of the heart and curving...
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1.The aorta is a major artery, rising upward from the left ventricle of the heart and curving down to carry blood to the abdomen and lower half of the body. The curved artery can be approximated as a semicircular arch whose diameter is 5.0 cm. If blood flows through the aortic arch at a speed of 0.31 m/s, what is the magnitude (in m/s2) of the blood's centripetal acceleration
2.Speedboat A negotiates a curve whose radius is 128 m. Speedboat B negotiates a curve whose radius is 277 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of the boats
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