You are curious about how the human heart is able to pump blood up to the brain while standing up, considering the blood is flowing against gravity. Suppose that the vertical distance from your heart to your brain is about 39 cm. If, at every heart beat, 0.09 kg of blood is pumped to the brain. What is the amount of work done to this amount of blood by the heart to overcome gravity? Hint, the amount of work equals to the change of gravitational potential energy of this 0.09 kg of blood. (g=9.8 m/s/s) Your Answer: Answer units

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You are curious about how the human heart is able to pump blood up to the brain
while standing up, considering the blood is flowing against gravity. Suppose that the
vertical distance from your heart to your brain is about 39 cm. If, at every heart beat,
0.09 kg of blood is pumped to the brain. What is the amount of work done to this
amount of blood by the heart to overcome gravity? Hint, the amount of work equals
to the change of gravitational potential energy of this 0.09 kg of blood. (g-9.8 m/s/s)
Your Answer:
Answer
units
Transcribed Image Text:You are curious about how the human heart is able to pump blood up to the brain while standing up, considering the blood is flowing against gravity. Suppose that the vertical distance from your heart to your brain is about 39 cm. If, at every heart beat, 0.09 kg of blood is pumped to the brain. What is the amount of work done to this amount of blood by the heart to overcome gravity? Hint, the amount of work equals to the change of gravitational potential energy of this 0.09 kg of blood. (g-9.8 m/s/s) Your Answer: Answer units
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