Imagine a negative charge −Q that is uniformly distributed along the y-axis between y=0 and y=l as illustrated. Pick which of the following is the correct expression for the x-component of the net electric field at point P.

Q: Suppose you walk 29 m straight west and then 29 m straight north. Answer all questions assuming the ...

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Q: You decide to climb the stairs on the three floors of NIATE. Let your mass be 72.2 kg, your total ve...

A: Given data:  Mass (m) = 72.2 kg Height (h) = 10.0 m Time (t) = 5 minutes g = 10.0 m/s2 Required: The...

Q: Part A Laser Safety A 0.70 mW laser emits a narrow beam of light that enters the eye, as shown in th...

A: We have givenPower of Laser beam ,P=0.70 mW=0.7×10-3 W

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Q: Find the speed at which the mass of an electron is double of its rest mass.

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Q: A 65.1-cm-diameter coil consists of 20 turns of circular copper wire 8.67 mm in diameter. A uniform ...

A: GivenDiameter of coil ,D=65.1 cm=0.651 mnumber of turns of copper wire ,N=20 turnsDiameter of wire ,...

Q: There are 5,280 feet in a mile. If you have slowed down and are now traveling 40 feet per second and...

A: Given: The speed of the car is 40 ft/s. The time taken to push the break is 0.5 s.

Q: 13. B3-WBT82: NEWTON'S SECOND LAw EQUATION-PHYSICAL SITUATION The equation below results from the ap...

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Q: Two coherent waves have intensities I1=25.0 mW/m^2 and I2= 15.0mW/m^2 at a certain location in space...

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Q: When operated on a household 110.0 V line, typical hair dryers draw about 1450 W of power. The curre...

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Q: A salt water tank is 21 m tall and is open at the top to the atmosphere. A small hole with a cross s...

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Q: A wheel rotates at 520 rpm. What is this angular speed in rad/s

A: Given  Speed N=520rpm  

Q: Two lamps, one rated at 100 W at 220 V and the other 60 W at 220 V are connected in parallel to a 22...

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Q: Determine the amount of charge stored on either plate of a capacitor (4x10^6F) when connected across...

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Q: 1. A 1200-N crate rests on the floor. How much work is required to move it at constant speed (a) 5.0...

A: Work done = F S Cosθ  where  F = force  S = displacement  θ = angle between F and S 

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Q: Question # 3 : for the pulse shown in the following graphically figure fill in the missing parts and...

A: Time period = time taken in completing one oscillation.  Frequency = Number of oscillation in one se...

Q: A 750 kg roller coaster car is pulled to the top of a hill 45 m high and arrives at the top with zer...

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Q: Using your basic understanding of magnetism and its laws, explain that, if a charged particle is not...

A: Let the magnetic field strength = B let the charge = q Let the velocity of charge = v   

Q: Two point charges Q, = +4.40 nC and Q, = -1.40 nC are separated by 45.0 cm. (a) What is the electric...

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Q: The speed of sound is measured to be 336 m/s on a certain day. What is this measurement per hour? Hi...

A: Given Speed of sound = 336 m/s We have to calculate speed in km/h

Q: - The internal energy of a monatomic ideal gas is 1 5 nRT. One mole of helium is kept in a cylinder ...

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Q: Two charges, q, = -14.5 nC and q2 = 30.0 nC, are separated by a distance d = 1.50 cm as shown in the...

A: in the question itis given that q1=-14.5nC, q2=30nCthey are placed on a equilateral triangle of side...

Q: Compute for the frequency of the following wavelengths: 1. 25mm 2. 7μm

A: given  1.wavelength λ = 25 mm       = 25 × 10-3 m  2.wavelength λ = 7 μm = 7 × 10-6 m 

Q: The figure below (please see attached picture) shows a long straight wire between the poles of a per...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for yo...

Q: Using Stokes Law, calculate the terminal velocity of a medium sand grain (diameter = 0.500 mm) of qu...

A: Ans is B  Explaination

Q: A standard flashlight battery can deliver about 1.5 W-h of energy before it runs down. (a) If a batt...

A: energy delivered by a battery before running down = 1.5 W-hr   

Q: An incoming tennis ball (mass .060 kg) has a speed of 14m/s. The player hits the ball with a racquet...

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Q: 1. During new year, a fireworks shell is shot up in the air with an initial velocity of 65m/s at an ...

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Q: The lower surface of a slab of stone of face-area 3600 cm and thickness 10 cm is exposed to steam at...

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Q: A wire has a resistance of 20 Ω. What is the new resistance if it is extended 8 times its original l...

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Q: A small generating station produces 120 kW of effective power that is transmitted by two wires, each...

A: Given that:- Resistance of wire=0.045 ohm

Q: The National High Magnetic Field Laboratory once held the world record for creating the strongest ma...

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Q: 7. . Consider a resistor network connected to a 32.0-V battery as shown. The battery has negligible ...

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Q: what values should be observe in the different continents of the country as a health care provider a...

A: Values should be observed as a health care provider are -- (i) Kindness  (ii) Caring  (iii) Good Com...

Q: There are 5,280 feet in a mile. If you have slowed down and are now traveling 40 feet per second and...

A: Given: The speed of the car is 40 ft/s. The time taken to hit the break is 0.5 s.

Q: A heavy box is sitting at rest on an incline. There is friction between the box and the incline, and...

A: Given free  body diagram is wrong , because box is moving up the incline and therefore friction betw...

Q: 2. Three point charges q, = +2.7µC, q2 = -3.4µC and q3 = -1.6µC initially are infinitely far apart. ...

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Q: A pole vaulter wishes to clear a 4-m bar. How fast must she run? (Assume that all her kinetic energy...

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Q: wo students went to the pool to relax on a summer day. Both students have inflatable floats, and are...

A: In all collision momentum remains conserved  Momentum before collision = momentum after collision 

Q: A man 6 ft tall tossed a ball from the elevator that is traveling 6 ft/s upward. The ball strikes th...

A: Given that:- Height of man=6ft

Q: 4. On top of a 9.0m cliff, you throw a rock with a velocity of 13.0m/s at an angle 30° below the hor...

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Q: How to find the average force when only given two distances and two forces. Distance = 0m & 0.01m Fo...

A: Given that:- At x= 0m, force (F)= 0N And at x= 0.01m, force (F)= 1.20N

Q: A box of mass M=18.1 kg is on the frictionless surface of an inclined plane of θ=30.0°, as shown in ...

A: Given that:- Mass of the box=18.1kg

Q: Question 6 Suppose you walk 29 m straight west and then 29 m straight north. Answer all questions +x...

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Q: The return constant of a spring is 300 N/m. Over what length should it be stretched to store 80J of ...

A: Given data:  Spring constant (k) = 300 N/m Potential Energy (U) = 80 J Required: Length stretched (x...

Q: Find the linear approximation of the function y = x' at point xo 1

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Q: A car enters a tunnel at 24 m/s and accelerates steadily at 2.0 m/s2. At what speed does it leave th...

A: Initial velocity,u=24m/s acceleration ,a=2m/s2  time,t=8 s let v be final velocity  so v=u+at (from ...

Q: The two mirrors illustrated in the figure below meet at a right angle. The beam of light in the vert...

A: (a) Write the given data. d=1.05 mθ=44°

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.