Smoking tobacco is bad for your circulatory health. In an attempt to maintain the blood's capacity to deliver oxygen, the body increases its red blood cell production, and this increases the viscosity of the blood. In addition, nicotine from tobacco causes arteries to constrict. For a nonsmoker, with blood viscosity of 2.5 × 10 3 Pa·s, normal blood flow requires a pressure difference of 8.0 mm Hg between the two ends of an artery. If this person were to smoke regularly, his blood viscosity would increase to 2. 7 × 10 3 Pa·s, and the arterial diameter would constrict to 90% of its normal value. What pressure difference would be needed to maintain the same blood flow?
Smoking tobacco is bad for your circulatory health. In an attempt to maintain the blood's capacity to deliver oxygen, the body increases its red blood cell production, and this increases the viscosity of the blood. In addition, nicotine from tobacco causes arteries to constrict. For a nonsmoker, with blood viscosity of 2.5 × 10 3 Pa·s, normal blood flow requires a pressure difference of 8.0 mm Hg between the two ends of an artery. If this person were to smoke regularly, his blood viscosity would increase to 2. 7 × 10 3 Pa·s, and the arterial diameter would constrict to 90% of its normal value. What pressure difference would be needed to maintain the same blood flow?
Smoking tobacco is bad for your circulatory health. In an attempt to maintain the blood's capacity to deliver oxygen, the body increases its red blood cell production, and this increases the viscosity of the blood. In addition, nicotine from tobacco causes arteries to constrict.
For a nonsmoker, with blood viscosity of 2.5 × 103 Pa·s, normal blood flow requires a pressure difference of 8.0 mm Hg between the two ends of an artery. If this person were to smoke regularly, his blood viscosity would increase to 2. 7 × 103 Pa·s, and the arterial diameter would constrict to 90% of its normal value. What pressure difference would be needed to maintain the same blood flow?
A shot putter releases a shot at 13 m/s at an angle of 42 degrees to the horizontal and from a height of 1.83 m above the ground. Calculate. Note: For each question draw a diagram to show the vector/s. Show all the steps and provide units in the answers. Provide answer to 2 decimal places unless stated otherwise. Answer all parts and show all work please.
A player kicks a football at the start of the game. After a 4 second flight, the ball touches the ground 50 m from the kicking tee. Assume air resistance is negligible and the take-off and landing height are the same (i.e., time to peak = time to fall = ½ total flight time). Calculate: Note: For each question draw a diagram to show the vector/s. Show all the step and provide units in the answers. Provide answer to 2 decimal places unless stated otherwise.)
Chapter 13 Solutions
College Physics: A Strategic Approach (3rd Edition)
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