When a person sits up, increasing the vertical position of their brain by 34.5 cm34.5 cm, the heart must continue to pump blood to the brain at the same rate. a. What is the gain in gravitational potential energy, in joules, for 105 mL105 mL of blood (with density 1050 kg/m3) raised 34.5 cm?  b. What is the change in pressure, in pascals, of the blood at the brain due to sitting up, neglecting any losses due to friction?

Q: The top of your head is about 30 cmcm above your heart. What is the blood pressure difference…

A:

Q: Tank 1 has a fluid of density ρ filling it to a height h and is located on a planet with gravity g.…

A: We know that the formula of the gauge pressure at the bottom of the tank is given as  Gauge…

Q: A hydraulic lift is used to jack a 950-kg car 43 cm off the floor. The diameter of the output piston…

A:

Q: A tank that is 5.00 m deep is filled with an unknown fluid on an alien planet. Assume g = 12.0 m/s2.…

A:

Q: Suppose a distant world with surface gravity of 6.42 m/s2 has an atmospheric pressure of 9.0 x 104…

A: Please see the answer below

Q: The pressure drop along a length of artery is 95 Pa, the radius is 10.5 mm, and the flow is laminar.…

A:

Q: A pipe has a diameter of 2.3 cm. Water is carried through the pipe into the basement of a house at a…

A: Bernoulli's principle In fluid dynamics, Bernoulli's principle states that an increase in the speed…

Q: A. What is the speed of the air through the 2.0 cm section of tube? (In m/s) B. What is the pressure…

A: Equation of continuity: the equation of continuity tells us that the volume rate of flow of an…

Q: A 23 m3 box is completely submerged in a fluid. What volume of fluid is displaced by the box if the…

A: Required : Volume of the liquid displaced.

Q: As a woman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes. This…

A: The objective of this question is to calculate the pressure exerted on the floor by the heel of a…

Q: A 3.5 N cube of a foam material is able to float with only a small fraction of its volume submerged…

A: Given:-  The weight of the cube is W = 3.5 N  The density of the water is ρw= 1000 kg/m3 The foam…

Q: Water (density = 1 000 kg m3) runs at 10 m/s through a long tube with a radius 0.050 m. The long…

A:

Q: A rock with a mass of 580 g in air is found to have an apparent mass of 365 g when submerged in…

A:

Q: 1. A swimming pool has the following dimensions: 15 m long; 5 m wide; 2 m deep. a. By how much would…

A: Given, Pool dimensions are 15m long, 5 m wide and 2 m deep

Q: A small blood vessel near the skin surface has a radius of 10 µm, a length of 1 µm and the pressure…

A:

Q: U. .U h2 P2 h, P1 P2 <P1 A u-shaped pipe has some water in it. Olive oil with a density of p 917…

A:

Q: Your mission is to determing the value of gravity g for an unknown planet. To do this you have a…

A:

Q: Part A What is the pressure inside a 10-m-diameter air bubble that is 10 m below the surface of a…

A: Diameter of the air bubble Depth of water Surface tension of water

Q: d. The barometer is a device to measure atmospheric pressure, if you use barometer made up from…

A: Given information is Density of mercury is ρmercury=13600 kgm3 Density of water is ρwater=1000 kgm3…

Q: Estimate the pressure ?heartpheart (in pascals) generated by the left ventricle of a human heart…

A: Density of blood=water density=1000 kg/m3 g=9.8 m/s2 Let us assume the height of the person to be…

Q: onsider the pressure on a shot putter's hand as he throws the heavy shot. a. Calculate the average…

A:

Q: You can chew through very tough objects with your incisors because they exert a large force on the…

A: The objective of this question is to calculate the pressure exerted by a tooth when a force is…

Q: A small blood vessels near the skin surface has a radius of 10um, a length  of 1um and the pressure…

A: Given,

Q: Blood pressure is measured when the blood is pumping (systolic) and when the heart is resting…

A: Density of mercurry Systolic height of the mercurry is Diastolic height of the mercurrry is

Q: 9. A fountain shoots water 8 m straight up. a. What is the pressure at the point where the water…

A: Given :     Height of the fountain, h = 8m Determine :           a) the pressure at the point where…

Q: The pressure drop along a length of artery is 103 Pa, the radius is 9.5 mm, and the flow is laminar.…

A: Pressure drop along the length of the artery = 103 Paradius of artery = 9.5 mm the flow of blood is…

Q: You can chew through very tough objects with your incisors because they exert a large force on the…

A: The objective of this question is to calculate the pressure exerted by a tooth when a force is…