Some cell walls in the human body have a layer of negative charge on the inside surface and a layer of positive charge of equal magnitude on the outside surface. suppose that the charge density on either surface is ± 0.50×10−3 c/m2, the cell wall is 5.00 nm thick, and the cell-wall material is air.
1.find the magnitude of e⃗ in the wall between the two layers of charge.
2.find the potential difference between the inside and the outside of the cell. which is at the higher potential?
3.a typical cell in the human body has a volume of 10−16m3 . estimate the total electric-field energy stored in the wall of a cell of this size. (hint: assume that the cell is spherical, and calculate the volume of the cell wall.)
4.in reality, the cell wall is made up, not of air, but of tissue with a dielectric constant of 5.40. repeat part a in this case.
5.in reality, the cell wall is made up, not of air, but of tissue with a dielectric constant of 5.40. repeat part b in this case.
Answers: 1
Physics, 21.06.2019 19:00
What is work? how much work is done to move an object 0 meters?
Answers: 1
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 22.06.2019 05:10
What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics
Answers: 2
Physics, 22.06.2019 14:30
In order to do work, the force vector must be question 1 options: in a different direction than the acceleration vector. in a different direction than the displacement vector. in the same direction as the displacement vector and the motion. in the same direction as the acceleration vector.
Answers: 1
Some cell walls in the human body have a layer of negative charge on the inside surface and a layer...
Biology, 17.07.2019 02:00
Mathematics, 17.07.2019 02:00
History, 17.07.2019 02:00
Computers and Technology, 17.07.2019 02:00