Three equal charges of 2.0 u Coul are located on the corners of a square, 3.0 mm on a side. What is the magnitude of the electric field at the fourth corner? What is its direction?

Q: 1. A bike moving down a hill has 2. A bike stopped at the top of a hill has 3. An apple in a tree ha...

A: 1) kinetic energy The bike is has kinetic or motion energy when it is moving downhill.  

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A: GivenLength of solenoid, L=7.27 mN=9510 turnscurrent, I1=1.89 Asecond wire carryingCurrent, I2=413 A...

Q: 7. Given: All Rs = 1Q, VT = 220 v a. Solve for RT 5 points 0.533 0 0.633 Q 0.733 0 0.833 Q 0.933 Q

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A: kinetic energy of electron = 10600 eV , moving southwardsmagnetic field = 494 G = 0.0494 T , eastwar...

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Q: QUESTIONS AND PROBLEMS Two identical charges, Q, and Q2 exert a force Fg on one another. What will h...

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Q: 3. The electric field of the material between two coaxial cables of radius .25 m and .51 m is given ...

A: Given : Electric Field of the material (E) = 2.58 V.m/r³ and Conductivity of the material = 5 x 10¹⁰...

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Q: A student at another university repeats the experiment you did in lab. Her target ball is 0.860 m ab...

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Q: How much heat QH does a heat pump with a coefficient of performance of 2.00 deliver when supplied wi...

A: Given,   coefficient of performance = 2.00                                           W = 4.10 kJ    ...

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A: The relation between speeds and distance travelled is given by v2-u2 = 2as,where v = final velocity,...

Q: What is the direction of the electric field at B? A) toward A B) toward D C) Toward C d) into the pa...

A: The direction of the electric field can be found from the potential difference.

Q: Only two horizontal forces act on a 6.8 kg body. One force is 7.9 N, acting due east, and the other ...

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Q: Consider a proton moving from point A to point B towards two positive charges as illustrated below. ...

A: Explanation   Since both charges are positive. The net field at N will be greater than the net field...

Q: The electric field between two parallel square metal plates is 130N/C. The plates are 1 m on a side ...

A: We assume the field is perpendicular to the plates  and the field flows from positive to negative ch...

Q: The diagram shows a crate with mass m = 38.2 kg being pushed up an incline that makes an angle φ = 2...

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Q: Find the direction and magnitude of the minimum velocity of charge q = +2e that will produce the mag...

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Q: Given a +15 C charged sphere with a diameter of 4.2 cm, solve for the: Electric field outside of th...

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Q: A child pulls a sled upon snow covered hill. The child dose 315 J of work on the sled . If child wal...

A: Given data:  Work done (W) = 315 J Displacement (d) = 15 m Required: Force (F) 

Q: you in a car going around a horizontal corner:

A: Here you have asked for the answer to question 'g'.

Q: 2.Two-point charges are arranged on the x-y coordinate system as follows: q. = 4 x 108 C at (0,3 m) ...

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Q: - 50 cm - 10 cm R

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Q: 9. Find the capacitance of a spherical capacitor. Use Gauss Law to find the electric field between t...

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Q: Find the electric field of a +3.2 nC charge from a distance of 6 m. Find the electric field of a -5....

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Q: 12.4 • (a) What is the average density of the sun? (b) What is the av- erage density of a neutron st...

A: 12.4)Mass of sun = 1.99×1030 kg Radius of sun = 6.96×108 m   

Q: Steam flows isentropically through a nozzle from 1500 kPa, 288 deg.C to 960 kPa. For 454 g/s, determ...

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Q: Calculate the speed of a dog running through a field if he is covering 25.5 meters in 45 second

A: distance covered (d) = 25.5 meters time taken (t) = 45 seconds   

Q: Calculate the frequency and energy of blue light that has a wavelength of 400nm.

A: Given that :- Wavelength λ = 400 nm Thus we can find frequency ν of the blue light as below-        ...

Q: 2. The field just outside a 3.50-cm-radius metal ball is 2.75x10N/m²/C and points toward the ball. W...

A: Given : r = 3.50 cm = 0.035 m E = 2.75 × 102 N/m2/C2  

Q: R1 R2 a R2 R4 R5 R1 a) Find the equivalent resistance of the combination of resistors shown in the f...

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Q: - When a wire of uniform cross-section a, length l and resistance R is bent into a complete circle, ...

A: Given Cross section of wire = a Length = L Resistance =  R To find  Resistance between two of diamet...

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Q: When a silicon material is doped with Arsenic (As) that has 5 valance electrons, the doped material ...

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Q: Type your answer in the space below then select "Check my answer" A = A.e -ht In2 A = A.e )*t Where:...

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Q: An x-ray tube used for cancer therapy operates at 4.0 MV, with a beam current of 25 mA striking a me...

A: We have   V = 4.0 MV = 4.0×106 V I = 25 mA = 2.5×10-2 A   We know, P = VI here, P = power V = voltag...

Q: A person is standing on the side of a road when a car approaches them at 50 m/s while honking their ...

A: Given data:  The person is standing  Speed of source (vs) = 50 m/s, towards observer  Frequency of h...

Q: Pluto's orbit around the Sun is highly elliptical compared to the planets in our Solar System. It ha...

A: Perihelion distance  = 29.7 AU Aphelion distance = 49.5 AU To find = a) Semi-major axis             ...

Q: Part A What is the resistance of A 1.2-m-long gold wire that is 0.30 mm in diameter? Express your an...

A: Solution:-   Given Data  Length of gold wire = 1.2 m   Diameter of wire d=0.30 mm r=d/2= 0.15×10-3 m...

Q: Use the given circuit to determine the value being asked. Values: RI = 470 Q R2 = 690 0 R3 = 350 0 R...

A: Given:

Q: Four point charges are fixed to the corners of a square of side d as shown in the figure below, wher...

A: q1 = qq2 = -3qq3 = 5qq4 = 2qq = 6 μC d = 17 cm = 0.17 m   

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.