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

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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.…

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Q: 13

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

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: 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…

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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: 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?

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

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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: 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…

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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=]

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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…