A charge of -1 nC is located at the origin in free space. What charge must be located at (2, 0, 0) to cause Ex to be zero at (3, 1, 1)?

Q: A perfect conducting sphere of radius r is such that its net charge resides on the surface. At any…

A: Magnetic field inside the sphere:

Q: Find the value of acceleration

A: Given data : Initial velocity=U Final velocity=V Time=t   Required : Acceleration

Q: Find the displacement Work done=21.91 J Force=12.5 N

A: Given data : Work done=W Force=F   Required : Displacement

Q: A circular coil of wire with a radius of 0.28 m is exposed to magnetic field perpendicular to the…

A:

Q: An 72 kg person stands on a uniform 6.4 kg ladder that is 4.0 m long, as shown in the figure(Figure…

A: Given, mass of the person, m = 72.0 kg Mass of the ladder, M = 6.4 kg length of the ladder, L = 4.0…

Q: Find the impulse Force=12.12 N Time-5.1 s

A: Given data:  Force (F) = 12.12 N Time (t) = 5.1 s Required: The impulse (I)

Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

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Q: Calculate the kinetic energy stored in car of mass 25.22 kg moving with velocity 10 m/s

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Q: A charge of -0.3µC is located at A(25,-30, 15) (in cm), and a second charge of 0.5μC is at B(-10, 8,…

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Q: Your uncle is trying to convince you to join his research team at CERN by offering you a summer job…

A:

Q: 8. A particle of mass m and charge e is moving freely in an electromagnetic field with a velocity v.…

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Q: In free space, let Q1 = 10 nC be at P1(0, -4,0), and Q₂ = 20 nC be at P2(0,0,4). (a) Find E at the…

A: a)The field at origin E→=E1→+E2→=9×10910×10-942j^-20×10-942k^=458j^-454k^ N

Q: Compute the final velocity of car U=1 m/s a=3 m/s2 t=2 s

A: Given  Initial velocity (u) = 1 m/s  Acceleration (a) = 3 m/s2   Time (t) = 2 s  Final velocity of…

Q: 2. Consider that a p-type Si and an n-type Si are in contact as shown in figure below at t=0.…

A: A PN Junction Diode is one of the elegant semiconductor devices around, and which has the electrical…

Q: 3. A box (mass = 100 g) is initially connected to a compressed (x = 80 cm) spring (k = 100 N/m) at…

A: Please note : As per answering guidelines I can answer the first three sub-parts of a multisub-part…

Q: How does the number of coils affect the amount of current generated?

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Q: 9 F, what is its capacitance after wood, a dielectric material, is inserted to tric constant of 3.…

A: Capacitance = C = 9F dielectric constant of wood =K = 3

Q: Find pressure Force 2.6 N Area 2 mm2

A: We know that Pressure = Force / Area . With given data we need proceed accordingly

Q: Calculate the work done Force=1.12 N Displacement=0.5 m

A: Given that Force = 1.12 N Displacement = 0.5 m

Q: 4-75.Determine the reactions at A and B for the beam shown in Figure P4-75. 85 kN 50 kN A 464 15 B 4…

A:

Q: An object is placed 30 cm from a convex mirror with a focal length of 10 cm. Where is the image…

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Q: A skater starts a spin at 1.5 rps (rotation per second), her initial moment of inertia is 2.6 Kgm².…

A: Given, initial angular velocity of the skater, ωi = 1.5 rps initial angular moment of inertia of…

Q: R= Suppose you have a coffee mug with a circular cross section and vertical sides (the radius is…

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Q: Find pressure Force=2.5 N Area=1 m2

A: Given data : Force=F Area=A   Required : Pressure1 m2

Q: Q2/A particle moving along a straight line is subjected to a deceleration a = (- V) m/s², where is V…

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Q: Find the distance covered by car moving at 23 m/s in 2.8 s

A: Given data : Time=t Speed=S   Required : Distance

Q: st pic is the problem 2nd pic is the solution question to answer: why was cos80 disregarded? can…

A: First equation Tacos350=TbCos800 + 30 N....................(1)second equation∑n=0nFx=0  -Tasin360…

Q: A 5-kg block of wood hangs a pendulum by a string of 4 meters long. When a 30gm bullet is fired at…

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Q: . A farmer wants to wall off his four-sided plot of flat land, as shown in the figure. He measures…

A: Given Vectors shown in diagram Required vecor D

Q: If you have to climb eight stories at a height of 24 m above ground level. Then the extra calories…

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Q: An 8.75 kg point mass and a 15.0 kg point mass are held in place 50.0 cm apart. A particle of mass…

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Q: A 2.0-Ω resistor, 1.9-uF capacitor and 0.12-H inductor are connected in series. Calculate the…

A:

Q: Given data: Distance=165 m Speed of car=20.6 m/s Find time

A: Given data : Speed of car=S Distance=d   Required : Time

Q: What is the magnitude force on a proton moving at 2.5 × 105 m/s in a magnetic field 0.5T If the…

A:

Q: The voltage in circuit is 42 V and resistance is 10 ohms, find the current ?

A: Given value--- Voltage = 42 V . resistance = 10 ohm . We have to find--- current?

Q: Compute the final velocity of car U=1 m/s a=3 m/s2 t=2 s

A: Given:- Initial velocity of the car is u=1 m/s. Acceleration of the car is a=3 m/s2. Time t=2 s.…

Q: the first. Calculate the frequency of the first and the last fork.

A: We know the frequency of xth tuning fork =n+5(x-1) as the frequency of the last fork is an octave of…

Q: Determine the 'spring constant' of the climbing rope if it stretches 2 m under the weight of a 70 kg…

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Q: 1.) Gases in the atmosphere keep the temperature in a range to support life on earth. 2.) There is…

A: Given : To state true or false.

Q: The image produced by the lens if an object is placed in front of a diverging lens at a distance…

A: The object is placed between 2F and F in front of a diverging lens (concave lens)

Q: Given date : Force = 80 N Displacement = 20m Determine the work clone P

A: Given data :                       Force    =    F                  Displacement    =    d…

Q: Given a charge of Q₁=-2 x 106 is placed in an electric field and experiences a force of 5.5 N. If Q₁…

A:

Q: Calculate the fall length for a factor 0.2 fall if the rope length is 50 m. 10 m 20 m 15 m 05m

A: Fall factor is the fall length divided by the rope length. So, fall length = fall factor × rope…

Q: A 5-kg ball moving with a velocity of 8 m/s collides head-on with another ball of 2-kg mass and…

A:

Q: Ms. S has 5 capacitors of capacitance 1 microfarad, 3 microfarad, 4 microfarad and 6 microfarad and…

A: Given:-  The 5  capacitors of the capacitance are 1 μF, 3μF, 4μF , 6 μF and  x.  Find:-  if the…

Q: Determine the reactions at A and B for the beams loaded Beam weight may be neglected in all cases.

A:

Q: 4. A rocket ship has a mass of 1.50 x 105 kg. Its relativistic momentum is 3.00 x 10¹2 kg•m/s. How…

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Q: Heat from the sun is re-radiated from Earth at a lower temperature than when it initially reaches…

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Q: Find the force applied. Work done=28.32 J Displacement=2 m

A:

Q: Find the force applied Work done=28.32 J Displacement=2 m

A: Given data : Displacement=d Work done=W   Required : Force

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.