Please answer these multiple choice questions with EXPLANATION!!! on correctness
ID: 1572553 • Letter: P
Question
Please answer these multiple choice questions with EXPLANATION!!! on correctness and how carefully the work is explained. The problems should be worked in problem on the assignment printout; additional paper may be used if needed. No credit will be given for answers without appropriate supporting work. Minimum good presentation requires the following (1) Symbolic expression any of expressions, not numeric expressions, (3) Substitution of numbers with units, (4) Reporting final a with correct and vector expressions, (5) Enough English description to allow the reader to have some idea what you are doing without looking at the math. Multiple-Choice Problems Friday Homework Problem 2.1 3 pt(s) ]According to Dr. Li, DNA has a charge in solution of 0.30e per base is the charge of the proton. Treating each base pair as a point charge as a first approximation, what is the electric force one base pair exerts on another. The average center-to-center separation of a base pair is 0.34nm 0.34 x 10 Select One of the Following (a) 1.8 x 10 (b) 6.1 x 10-20N (c) 5.3 x 10- N (d) 4.7 x 10- N (e) 3.7 x 10 N Friday Homework Problem 2.2 pt(s) ZZ Top's Billy Gibbons owns a unique piece of art, a spherical WW Microbus ball. Treating this piece as a spherical shell of charge with surface charge density o 55uc/m2 and radius r 1m, compute the total charge. Select One of the Following (a) 7 x 10- C (b) 7 x 10 C (c) 7 x 10-7C (d) 7 x 10 (e) -7 x 10-3C Friday Homework Problem 2.3 l3 pt(s) J of the common elementary particles, which particle or particles have a charge that is the same magnitude though not necessarily of the same sign as the quantum of charge?Explanation / Answer
2.5 answer figure a. Is right
2.9 answer is figure c.
2.8 answer is positive
2.3 answer is e. Proton and electron have same magnitude of charge