How much mechanical work is required to mov feet to your heart, approximately 1.0m higher? A) 1 J B) 1 kÇal

University Physics Volume 1
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Chapter7: Work And Kinetic Energy
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Problem 72P: A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a...
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13. How much mechanical work is required to move a 1.0 kg of blood (roughly 1L) from your
feet to your heart, approximately 1.0m higher?
A) 1 J
В) 1 КСal
С) 9.8 J
D) 4.9 J
E) 19.6 J
14. Your heart pumps about 5.0 kg of blood a minute. Let's imagine your
up an average of 0.50 m. What is the power output of your heart?
heart
pumps
the blood
A) 0.41 W
B) 25 W
C) 0.81 W
D) 12 W
E) None of the above
Transcribed Image Text:13. How much mechanical work is required to move a 1.0 kg of blood (roughly 1L) from your feet to your heart, approximately 1.0m higher? A) 1 J В) 1 КСal С) 9.8 J D) 4.9 J E) 19.6 J 14. Your heart pumps about 5.0 kg of blood a minute. Let's imagine your up an average of 0.50 m. What is the power output of your heart? heart pumps the blood A) 0.41 W B) 25 W C) 0.81 W D) 12 W E) None of the above
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