(4.I) A uniformly charged rod with a linear charge density A C/m is in the form of a circular arc of radius R, as shown in Fig. 23.49. (a) What is the field strength at the center? (b) Show that the field strength at the center of a uniformly charged semicircular rod is 2kX/R.

Q: Radioactive iodine-123 has an effective half-life of 12 hours. If a dose with an activity if 1.50…

A: Half-life= t1/2=12hours half-lives in 36hours (n) =36/12=3

Q: A vertical dam on a large lake is 30 ft tall and 60 ft wide, and the water level is 3 ft below the…

A:

Q: Figure shows a block of mass m resting on a 20° slope. The block has coefficients of friction μ =…

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Q: If one flute plays a note at 300 megaHertz, what is the number of megahertz when a flute twice as…

A: As the "same" note is being played, Wavelength λ should be same in both the cases. So, f1=v/λ1 and…

Q: An electron is moving in the yz plane, and at a particular instant, the electron has the velocity…

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Q: In the figure the four particles form a square of edge length a = 5.00 cm and have charges q1 = 9.04…

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Q: Problem 3: A cylinder with a piston contains 30.0 moles of steam. The pressure versus volume diagram…

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Q: A 1.00 x 104newton car is traveling down a straight, level road at a constant speed. If the combined…

A: We have; The weight of the car is 1.00 x 104newton The friction force is 1.20 x 102 newtons Since,…

Q: 7. T Oppositely charged parallel plates are separated by 5.33 mm. A potential difference of 600. V…

A: a) Calculate the magnitude of the electric field between the plates. E=ΔVdE=600 V5.33 mm×10−3 m1…

Q: Find the capacitance of a parallel plate capacitor having plates of area 2.05 m² that are separated…

A:

Q: A sample of a particular substance has a mass of 1100 g and a density = 4100 kg/m³. What is the…

A: mass=volume*density in first sample mass=1100g=1.1kg density=4100kg/m3 putting values:…

Q: A positively charged particle Q1 = +45 nC is held fixed at the origin. A second charge Q2 of mass m…

A: Solution: Given: 1 kg = 1000 g 1 μg = 10-9 kg 1 m = 100 cm k = Coulomb's constant = 8.99 x 109…

Q: Approximately how long does it take for light to travel 1 foot?  a) 1 nanosecond b) 1 millisecond…

A:

Q: How far will a car traveling at a speed of 19.1 m/s go in 3.6 seconds?  Round your answer to 2…

A: So , by applying simple basic formula  As we know Velocity=distance/time

Q: Thank you- what would be the unit for (f) if the number is 0

A: In part (f) we have to find time when the particle is moving in the negative direction of x

Q: A long straight wire carries 31.0 A. At what distance from the wire is the strength of the magnetic…

A: GIVEN             I = 31 A           B=2.4 T

Q: π A force of 4 N makes an angle of radian with the y-axis, pointing to the right. The force acts…

A:

Q: An instrument might be able to change the timbre of different pitches by playing higher or lower.…

A: Given : "  An instrument might be able to change the timbre of different pitches by playing higher…

Q: A proton is traveling through a region of space containing both a magnetic and electric field. At…

A: Given Velocity of proton  v = (13500 i + 38500 j ) m/s Acceleration of proton a = (4.39 k ) × 109…

Q: 3. Charge q₂ is 2.5E-9C and charge q₁ has mass 0.20g. The separation r is 5.0cm, and the angle 0 is…

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Q: Four point charges are at the corners of a square of side a as shown in the figure below. Determine…

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Q: A Carnot heat pump draws heat from the outside to keep your house at temperature Th by providing…

A: Efficiency = (Qh-Qc) / W where Qh is the heat provided to the house, Qc is the heat pulled from the…

Q: Two wires cross, one carrying current to the east and the other to the north. The force between the…

A: The current direction iss perpendicular to each other  We need to find force b/w wires

Q: The graph shows the force exerted on an object versus the position of that object along the x-axis.…

A: force versus position graph is given for a force exerted on an object The force in units of newtons…

Q: In the figure a nonconducting rod of length L = 8.39 cm has charge -q = -4.42 fC uniformly…

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Q: Three electrons are located at the vertices of an equilateral triangle with side lengths of d. The…

A: The electrons are placed at the vertices of an equilateral triangle of side length d The electrons…

Q: A 0.31-kg coffee cup is attached to a suspended spring and slowly lowered, stretching the spring by…

A:

Q: A point charge of mass and charge m1 = 2.00 g and q1 = 5.00 µC is orbiting in a perfectly circular…

A: Given: A point charge of mass m1 = 2.00 g and q1 = 5.00 µC is orbiting in aperfectly circular orbit…

Q: The higher the frequency of a note, the _______ the pitch we hear.   Question 12 options:…

A: Given : The higher the frequency of a note, the _______ the pitch we hear.

Q: Learning Goal: To learn the properties of logarithms and how to manipulate them when solving sound…

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Q: Consider two vectors A and B. A 11 + 13 and B = 14î - 16 = Find the unit vector that points in the…

A: Given value--- A = 11 i +13 j . B = 14 i  - 16 j. We have to find--- unit vector 8n direction of…

Q: Suppose you start at the origin, move along the x-axi distance of 4 units in the positive direction,…

A: Given value--- move along the x-axi distance of 4 units in the positive direction, and then…

Q: A cargo helicopter, descending steadily at a speed of 3.8 m/s, releases a small package. Let upward…

A:

Q: A placelocker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the…

A: Given, The range is R=36.0 m Initial speed, v=23.4 m/s The angle is θ=47.0°

Q: A proton is traveling horizontally to the right at 4.10x106 m/s

A:

Q: Based on your understanding of simple harmonic motion and Hooke's law, why do you think the N-H and…

A: We know from Hookes Law : F=-KxAnd Angular Frequency is given by :ω=KM

Q: Vector A has x, y, and z components given by 7, 2, and 5 units.  What is the angle the vector makes…

A: Given Ax = 7 units Ay = 2 units Az = 5 units

Q: 5. You are given a magnetic dipole formed by a circular loop of radius a and current I as shown in…

A: The magnetic field created by a magnetic dipole at a point a distance r can be calculated using the…

Q: A shot putter releases the shot some distance above the level ground with a velocity of 9.38 m/s,…

A: given           initial velocity (u) = 9.38 m/s           angle = 34.4 degree           time of…

Q: A man walks 45.1332 m directed 178.5005 degrees from the positive x-axis, then he walks 21.1803 m…

A: first leg of displacement = 45.1332 m @ 178.5005 degree from + x axis second leg of displacement =…

Q: The mirrors of a He-Ne laser resonator having radii of curvature R₁ = 1.5 m and R2 = 2.0 m.…

A: The stability of a laser resonator is determined by the distance between the mirrors and the radii…

Q: A small sphere has a charge of q = 3e, where e is the charge on an electron. (a) Determine the…

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Q: Part A The voltage across a 4 μF capacitor increases by 48 V. If the final charge on the capacitor…

A: According to guidelines we need to solve only first question kindly repost other questions in the…

Q: The picture on the right shows a plate capacitor. You may assume that the two plates are very large…

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Q: capacitor to store a charge that has a magnitude of qB. Determine 9B.

A: Given: Capacitor A stores charge qA=12 μC Capacitor B having capacitance CB=6.8 μF Energy stored by…

Q: A metal strip 6.70 cm long, 0.850 cm wide, and 0.880 mm thick moves with constant velocity in the…

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Q: What is the potential difference between the plates of a 2.9-F capacitor that stores sufficient…

A: Given data as per the question Potential difference = 2.9F

Q: A negative charge of -0.540 μC exerts an upward 0.195 N force on an unknown charge 0.295 m directly…

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Q: Determine the electric potential energy for the array of three charges in the drawing, relative to…

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Q: Using single particle shell model predicts the ground state spin, parity and quadrupole 37 moment…

A: The nuclear shell model represents the atomic nucleus. It explains the nucleus structure in terms of…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.