Q 2 please The following constants can be useful:Charge of electronMass of the electronMass of the protonlel = 1.6 x 10-1⁹ C;m = 9.11x10 kg;m = 1.67x10-27 kg;PAcceleration due to gravityPermittivity of free spaceCoulomb's constantπ = 3.14Choose the best answer vi i vQ1. A piece of plastic has a net charge of +1.00 μC. How many fewer electrons than protons does this piece ofplastic have?A) 1.25 x 10¹3B) 6.25 x 10¹2C) 2.50 × 10¹3D) 3.60 × 10¹⁹E) 3.01 x 10²3Q2. Three point charges Q1-0.9 µC; Q2=-3.0 μC and Q3= -0.9 μC are placedas shown in figure, where the distance a = 9.0 cm. The magnitude of the electricforce (in N) acting on Q2 isA) 12.7B) 2.8C) 4.2D) 3.0Q3. Two stationary point-like objects with charges 91 and 92 are shown in thefigure along with a sketch of E-field lines representing the electric fieldproduced by them. What can you determine from the sketch?Q4. Two-point charges, q₁ and q2, are placed 0.30 mapart on the x-axis, as shown in the figure. Charge qihas a value of -1.0 x 10-9 C. If net electric field atpoint P is zero, then the magnitude of charge q2 is:A) 4.8 x 10-8CB) 3.1 x 10-Cg = 9.8 m/s²&=8.85 x 10-12 c² /Nm²ke=9x10⁹ N.m²/C²A) q, is negative and q2 is positive; the magnitudes are equal.B) q, is positive and q2 is negative; the magnitude of q, is greater than themagnitude of 92.C) q, is negative and q2 is positive; the magnitude of q1 is less than themagnitude of 92.D) 91and q₂ have the same sign; the magnitudes are equal.E) q, and q₂ have the same sign; the magnitude of q, is greater than the magnitude of 92.P 91-0.20 0C) 6.6 x 10-8CР920.200.40 0.60D) 1.6 × 10-8CQ:aQ3x(m)

Answered: Image /qna-images/answer/45972e20-d969-4659-91cc-065b3a31a992.jpg

Q2. Three point charges Q1-0.9 μC; Q2=-3.0 μC and Q3= -0.9 µC are placed as shown in figure, where the distance a = 9.0 cm. The magnitude of the electric force (in N) acting on Q2 is A) 12.7 B) 2.8 C) 4.2 D) 3.0 Q3. Two stationary point-like objects with charges 91 and 92 are shown in the Р B Q: a

Q2. Three point charges Q1-0.9 μC; Q2=-3.0 μC and Q3= -0.9 µC are placed as shown in figure, where the distance a = 9.0 cm. The magnitude of the electric force (in N) acting on Q2 is A) 12.7 B) 2.8 C) 4.2 D) 3.0 Q3. Two stationary point-like objects with charges 91 and 92 are shown in the Р B Q: a

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter23: Electric Forces

Section: Chapter Questions

Problem 35PQ: Two 25.0-g copper spheres are placed 75.0 cm apart. Each copper atom has 29 electrons, and the molar...

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