A virus can be modeled as a 50-nm-diameter sphere. Viruses,like biomolecules, are charged. A typical virus has a charge of-300e. Consider a virus inside a 37°C mammalian cell where theion concentration is 150 mM.Part AWhat is the electric potential at the surface of the virus?Express your answer with the appropriate units.Vsurface = Value?VSubmitPrevious Answers Request Answer× Incorrect; Try Again; 4 attempts remaining▾Part BWhat are the positive ion concentration and the negative ion concentration at the surface of the virus?Express your answers in terms of molarity and separated by comma.C+surface, C-surface=ΜΕ ΑΣΦ?M

Answered: Image /qna-images/answer/1e12a8f1-b53e-42f9-9bc3-e17a5b62f2af.jpg

A virus can be modeled as a 50-nm-diameter sphere. Viruses, like biomolecules, are charged. A typical virus has a charge of -300e. Consider a virus inside a 37°C mammalian cell where the ion concentration is 150 mM. What is the electric potential at the surface of the virus? Express your answer with the appropriate units. μA ? Vsurface = Value V Submit Previous Answers Request Answer Part B Incorrect; Try Again; 4 attempts remaining What are the positive ion concentration and the negative ion concentration at the surface of the virus? Express your answers in terms of molarity and separated by comma. C+surface, C-surface = ΜΕ ΑΣΦ ? M

A virus can be modeled as a 50-nm-diameter sphere. Viruses, like biomolecules, are charged. A typical virus has a charge of -300e. Consider a virus inside a 37°C mammalian cell where the ion concentration is 150 mM. What is the electric potential at the surface of the virus? Express your answer with the appropriate units. μA ? Vsurface = Value V Submit Previous Answers Request Answer Part B Incorrect; Try Again; 4 attempts remaining What are the positive ion concentration and the negative ion concentration at the surface of the virus? Express your answers in terms of molarity and separated by comma. C+surface, C-surface = ΜΕ ΑΣΦ ? M

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Particles A, B, C, and D in (Figure 1) each carry a charge of magnitude 1.0 nC. Express your answer with the appropriate units. U = 0 J Submit Previous Answers Part C Correct Calculate the electric potential energy for the charge distribution in this 3.0-m square if B and C are positive and A and D are negative. Express your answer with the appropriate units. ΜΑ ? U = Value Units Submit Request Answer <1 of 1 Part D Calculate the electric potential energy for the charge distribution in this 3.0-m square if A and C are positive and B and D are negative. Express your answer with the appropriate units. Figure A+ +B HA ? U = Value Units
The electric potential in a region of space is V = 300V-m, where and y are in meters. √z²+y² Part A What is the strength of the electric field at (x, y) = (2.9m, 1.3m)? Express your answer in volts per meter. E= Submit Part B 0= V=| ΑΣΦΑ Submit 4 Request Answer IVE ΑΣΦ What is the direction of the electric field at (x, y) = (2.9m, 1.3m)? Give the direction as an angle ccw from the positive x-axis. Express your answer in degrees. ? Request Answer V/m ? ºccw from the positive z-axis
A parallel-plate capacitor is formed from two 5.4 cm-diameter electrodes spaced 1.1 mm apart. The electric field strength inside the capacitor is 2.0 x 106 N/C. Part A What is the magnitude of the charge (in nC) on each electrode? Express your answer in nanocoulombs. HV ΑΣφ ? nC Submit Request Answer
A parallel-plate capacitor is formed from two 2.8 cm-diameter electrodes spaced 2.6 mm apart. The electric field strength inside the capacitor is 3.0 x 10° N/C. Part A What is the magnitude of the charge (in nC) on each electrode? Express your answer in nanocoulombs. Πνα ΑΣφ ? Q = nC
Part A What is the escape speed of an electron launched from the surface of a 1.4-cm-diameter glass sphere that has been charged to 5.0 nC ? Express your answer to two significant figures and include the appropriate units. HA m v = 2.258 • 107 V = S
Part A Two 7.0 cm X 7.0 cm metal electrodes are spaced 1.0 mm apart and connected by wires to the terminals of a 9.0 V battery. What is the charge on each electrode? Express your answer with the appropriate units. μΑ ョ? Value Units 9i = Submit Request Answer Part B What is the potential difference between them? Express your answer with the appropriate units. Vi = Value Units Submit Request Answer
A charge of -2.645 μC is located at (2.770 m, 4.578 m), and a charge of 1.850 μC is located at (-2.781 m , 0). Part A Find the electric potential at the origin. Express your answer using three significant figures. V = Submit Part B IVE ΑΣΦ VO x,y= Request Answer Submit There is one point on the line connecting these two charges where the potential is zero. Find this point. Express your answers using three decimal places separated by a comma. 15. ΑΣΦ ? Request Answer V ? m
Part A Two electrons are in the vicinity of a proton. The potential energy of the proton is -2.40x10-25 J. What is the potential at the proton's position? Express your answer with the appropriate units. Vp = = -1.50x10-6 V Submit Previous Answers Part B Correct If one of the electrons is 1.0 cm from the proton, what is the distance of the second electron from the proton? Express your answer with the appropriate units. T2 1.06x10-3 m Submit Previous Answers VP 18.3.2 Correct Part C V = Two protons are held fixed on the x axis at x = +1 m and x = -1 m. A third proton is placed at the origin and then given a gentle nudge in the +y direction. Derive an expression for the speed of this proton as a function of its position on the y axis. Assume that it starts from rest and neglect gravity. Express your answer in terms of e, k, mp, and y. VE ΑΣΦ ?
A 15.0 nC charge is at x = 0cm and a -1.2 nC charge is at x = 7 cm . Part A At what point or points on the x-axis is the electric potential zero? Express your answer using two significant figures. If there is more than one answer, give each answer separated by a comma. Xo = cm Submit Request Answer
Part A A 10.0 nC charge is at æ = Ocm and a -1.5 nC charge is at x = 5 cm At what point or points on the x-axis is the electric potential zero? Express your answer using two significant figures. If there is more than one answer, give each answer separated by a comma. cm Submit Request Answer Provide Feedback
I am stuck on this physics homework, any help would be great!
Please refer to the photos