Suppose a speck of dust in an electrostatic precipitator has 1.0000 x 10¹2 protons in it and has a net charge of - 5.00 nC (a very large charge for a small speck). How many electrons does it have?

Q: how did you get n=3?

A:

Q: 13. State whether each expression is meaningful. If not, explain why. If so, state whether it is a…

A: (a) "a.(b x c)" is meaningful and it is a scalar. It represents the dot product of two vectors "a"…

Q: š useed fo 1-A cursent is parallel plabe A charge Capacito. A piece between * Papes is pledcand…

A: Ampere's law, in its integral form, states that the total magnetic flux linked to any closed surface…

Q: 824 A man with superpowers files from the top of a building as shown in the figure ( 수지는 필요하다면 소수 자…

A: A man with superpowers flies from the top of a building as shown in the figure. (a) To find the…

Q: The angle between (1,1,1) and (2,1,2),

A:

Q: Q(2) Consider the two vectors A= 31 - B =-i-4j, Calculate the angle between vectors A) 146" B) 47,7…

A:

Q: As a ball falls under the influence of gravity, does gravity do positive work or negative work?…

A:

Q: Rodrigue's P (x), P-1/2 (1) formula and find and Use Po Gx) Pe G).

A: Solution: Rodrigue's formula for Legendre's polynomial 1) P0(x)

Q: If ši = 12 V, I2 =1 A, R2 = 1 2, I3 = 2 A, and R3 = 3 2, find the power dissipated by resistor R1.

A: I2 = 1 A I3 = 2 A R2 = 1 Ω R3 = 3 Ω ξ1 = 12 V

Q: Compute the line integral of = 6x + y zŷ + z 2 along the triangular path shown in the figure below.…

A:

Q: 13

A: We are given a boat. We are also 2 forces acting and their directions also. We are given net force…

Q: What is the final output for the following K-map. ¾.... WX O WYZ +XZ O XYZ + WYZ+XZ OXY+WYZ" +X'Z' O…

A:

Q: Evaluate the dot product A B if A = 4i +9j and B = 5i – 5j. %3D A B = Part B Evaluate the dot…

A: Concept: Given: For Part A A→=4i^+9j^B→=5i^-5j^ For Part B A→=4i^-5j^B→=5i^+9j^ For Dot Product:…

Q: If al, a2, a3 are the primitive cell vectors then the volume of the primitive cell of the reciprocaf…

A: Given, a1,a2 and a3  are the primitive cell vectors

Q: Quebbiom'y batellite . A yer has minte OL mertic 10,000kgm² Ahmacd astronaud, ectends salar moment…

A: It is a question based on Conservation of Angular Momentum Initial  Momentum  =Final Momentum I1w1=…

Q: 6. Show that v x 4) da = [(Ax (V/) da + fs. ƒA- dl

A:

Q: = 7.0 nC, has inner radius ri = 0.80 m and outer radius r2 = 1.6 m. A hollow spherical conductor,…

A: According to Gauss theorem Flux linked with closed Gaussian surface is 1/ε₀ times charge enclosed

Q: Q. 5 Solve: (x+ 2y). = y. %3D dx

A: This is an example of linear homogeneous differential equation. Using integrating factor we can…

Q: Prove v'() = by using B"=ce-x") ²+cY-4)*+c2=2')°

A:

Q: Let A=5i-6.5 and B=3.5i-7ĵ . If lies in the xy-plane, Cis perpendicular to À , and Č-B=15 , what is…

A:

Q: 4.- Calculate the scalar product of the vectors in the figure. 32.8 N 17.3 cm/s/ 118 132⁰

A: The scalar product of two vectors  and  is

Q: Determine the product AB of the following Matrices: (1 2 3 1 1 3 A = 3 6 -1,B = 2 6 -1 6 2 6 2

A: Answer..

Q: 2-89. If F- (350 – 250j - 450k} N and cable AB is 9 m long, determine the x, y, z coordinates of…

A: From the figure, if we say that AB makes an angle θ with the z axis (or -z in this case) then…

Q: This is how I did it. Where did I go wrong?

A:

Q: 9. Given: D = 3x³yi-2x²y¹z6j+y³z²k Find: V.D.

A:

Q: in plane polar 3. The point (1,1) in rectangular coordinates is equivalent to coordinates.…

A:

Q: y" + 14y' + 50у%3D 0%;у(0) — 2 аnd y'(0) 3 -17

A: Given: y"+14y'+50y=0, y(0)=2 and y'(0)=-17

Q: Find the lem for this shape. Hollow Sphere M=40 kg R=5 m Rod M=100 kg L=16 m %I 4642.38 kg.m^2 O…

A: The center of the hollow sphere is considered as the origin of the coordinates. The x-coordinate of…

Q: 6) Determine the resultant given S= 6 kip, T 8 kip, and U = 7 kip T.

A:

Q: Q38) Determine Zihase. Zajn, Zo. A,. An, and A;. Vec + 10v 10 kR 4 kn B-200 210 ng KEI 2.2 kng R2…

A: In the given circuit, the circuit parameters are given as R1=10 kilo ohm=10000 ohmR2=2.2 kilo…

Q: 2. If a=2i+4j-5k and b=3i-2j+6k determine: (i) a b (ii) a+b (iii) a X b (iv) the angle between a and…

A:

Q: 3. Prove that : Q = Tx mx my T. (1/25 - 1) + T₂ ( 72²2 + 1) + 2/1₂, Ty My My My (mmy Tx Ty)¹/2…

A:

Q: How many fundamental forces are there? O 2 0 1 O 4 O 3

A: There are 3 fundamental forces: Gravitational  Electromagnetic Nuclear

Q: Calculate the commutators (a) [r, Lz], [y, L-], [z, Lz] (b) [Pz, La], [Py, L.], [Pz, L=]

A:

Q: Converting the Cartesian -2 coordinate (3,0) to polar * :coordinate gives نقطتان )2( A (0,-3) В (3,…

A: To convert from cartesian coordinates to polar coordinates r=x2+y2 θ= tan-1(yx) r= 3, θ=tan-1(0/3) =…

Q: A Four positive charges are at four corners of a square of side d. A negative fifth charge is at the…

A: Here by symmetry, electric files along the directions B and A are equal and opposite hence results…

Q: Use the method of undetermined coefficients to find the general soluti y"-y-2y = 4e2t, %3D

A:

Q: what is the derivative dr r2

A: We know,  derivative of xn = n*xn-1

Q: ) = Solve the IVP: xdy + (y – cos x)dx = 0, y %3D

A: