What is the diameter of the smallest capillary vessel that a red blood cell (RBC) can...
What is the diameter of the smallest capillary vessel that a red
blood cell (RBC) can traverse?
red blood cells can be modeled as a cylinder with semi-spherical
caps at either end.
Note: red blood cells are very flexible while maintaining their
volume and surface area.
Repeat your calculations modeling the RBC as a paraboloid and a
half sphere.
Homework Answers
The diameter of the RED BLOOD cell is 6.3 to 8.2 um.
Thikness of center 0.8 to 1 um
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What is the diameter of the smallest capillary vessel that a red
blood cell (RBC) can...
Need help in calculating the first answer! Red Blood Cells Charge of Cell #1 = -1.8...
Need help in calculating the first answer!
Red Blood Cells
Charge of Cell #1 = -1.8 x 10-12 C
Charge of Cell #2 = -3.1 x 10-12 C
Diameter = 6.8 x 10-6 m
Two red blood cells each have a mass of 7.50 x 10-14 kg and carry a negative charge spread uniformly over their surfaces The repulsion arising from the excess charge prevents the cells from clumping together. Once cell carries -1.80 pC of charge and the other...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Tiny electrodes introduced into the interior of the cell show a potential difference of 100 mV across the membrane. The membrane's thickness is estimated to be 95 nm and has a dielectric constant of 5.00 (a) If an average red blood cell has a...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Tiny electrodes introduced into the interior of the cell show a potential difference of 100 mV across the membrane. The membrane's thickness is estimated to be 104 nm and has a dielectric constant of 5.00. (a) If an average red blood cell has a...
A red blood cell typically carries an excess charge of about –2.5 × 10–12 C distributed...
A red blood cell typically carries an excess charge of about –2.5 × 10–12 C distributed uniformly over its surface. The red blood cells can be modeled as spheres approximately 7.0 μm in diameter and with a mass of 9.0 × 10–14 kg. How many excess electrons does a typical red blood cell have? Does the mass of the extra electrons appreciably affect the mass of the cell? To find out, calculate the ratio of the mass of the extra...
A red blood cell typically carries an excess charge of about -2.5 x 10-2 C distributed...
A red blood cell typically carries an excess charge of about -2.5 x 10-2 C distributed uniformly over its surface. The red blood cells can be modeled as spheres approximately 6.6 um in diameter and with a mass of 9.0 x 10"" kg. How many excess electrons does a typical red blood cell have? excess electrons: electrons Does the mass of the extra electrons appreciably affect the mass of the cell? To find out, calculate the ratio of the mass...
A red blood cell typically carries an excess charge of about −2.5×10^−12 C distributed uniformly over...
A red blood cell typically carries an excess charge of about −2.5×10^−12 C distributed uniformly over its surface. The red blood cells can be modeled as spheres approximately 7.6 μm in diameter and with a mass of 9.0×10^−14 kg. How many excess electrons does a typical red blood cell have? excess electrons: ______________________ Does the mass of the extra electrons appreciably affect the mass of the cell? To find out, calculate the ratio of the mass of the extra electrons...
Two red blood cells each have a mass of 5.45×10−14 kg and carry a negative charge...
Two red blood cells each have a mass of 5.45×10−14 kg and carry a negative charge spread uniformly over their surfaces. The repulsion arising from the excess charge prevents the cells from clumping together. Once cell carries −1.80 pC of charge and the other −2.90 pC , and each cell can be modeled as a sphere 6.80 μm in diameter. What minimum relative speed ? would the red blood cells need when very far away from each other to get...
Two red blood cells each have a mass of 4.00×10−14 kg and carry a negative charge...
Two red blood cells each have a mass of 4.00×10−14 kg and carry a negative charge spread uniformly over their surfaces. The repulsion arising from the excess charge prevents the cells from clumping together. Once cell carries −2.40 pC of charge and the other −2.90 pC , and each cell can be modeled as a sphere 6.80 μm in diameter. What minimum relative speed ? would the red blood cells need when very far away from each other to get...
Two red blood cells each have a mass of 2.85×10−14 kg and carry a negative charge...
Two red blood cells each have a mass of 2.85×10−14 kg and carry a negative charge spread uniformly over their surfaces. The repulsion arising from the excess charge prevents the cells from clumping together. Once cell carries −2.20 pC of charge and the other −3.30 pC , and each cell can be modeled as a sphere 7.60 μm in diameter. What minimum relative speed ? would the red blood cells need when very far away from each other to get...
Two red blood cells each have a mass of 4.40 × 10-14kg and carry a negative...
Two red blood cells each have a mass of 4.40 × 10-14kg and carry a negative charge spread uniformly over their surfaces. The repulsion arising from the excess charge prevents the cells from clumping together. Once cell carries -2.20 pC of charge and the other -3.10 pC, and each cell can be modeled as a sphere 7.20 um in diameter. What minimum relative speed v would the red blood cells need when very far away from each other to get...
Need help in calculating the first answer!
Red Blood Cells
Charge of Cell #1 = -1.8 x 10-12 C
Charge of Cell #2 = -3.1 x 10-12 C
Diameter = 6.8 x 10-6 m
Two red blood cells each have a mass of 7.50 x 10-14 kg and carry a negative charge spread uniformly over their surfaces The repulsion arising from the excess charge prevents the cells from clumping together. Once cell carries -1.80 pC of charge and the other...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Tiny electrodes introduced into the interior of the cell show a potential difference of 100 mV across the membrane. The membrane's thickness is estimated to be 95 nm and has a dielectric constant of 5.00 (a) If an average red blood cell has a...
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. Tiny electrodes introduced into the interior of the cell show a potential difference of 100 mV across the membrane. The membrane's thickness is estimated to be 104 nm and has a dielectric constant of 5.00. (a) If an average red blood cell has a...
A red blood cell typically carries an excess charge of about -2.5 x 10-2 C distributed uniformly over its surface. The red blood cells can be modeled as spheres approximately 6.6 um in diameter and with a mass of 9.0 x 10"" kg. How many excess electrons does a typical red blood cell have? excess electrons: electrons Does the mass of the extra electrons appreciably affect the mass of the cell? To find out, calculate the ratio of the mass...
Two red blood cells each have a mass of 4.40 × 10-14kg and carry a negative charge spread uniformly over their surfaces. The repulsion arising from the excess charge prevents the cells from clumping together. Once cell carries -2.20 pC of charge and the other -3.10 pC, and each cell can be modeled as a sphere 7.20 um in diameter. What minimum relative speed v would the red blood cells need when very far away from each other to get...
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