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Problems with solutions

I.D	Level	Problem	Problem Topic
213	High school	As per the figure shown at "click here" a uniform electric field has magnitude E = 260 N/C and is directed to the right. A particle with charge +3.9 nC moves along the straight line from a to b. a) What is the electric force that acts on the particle ? b) What is the work done on the particle by the electric field ? c) What i . . . continues Click to Purchase Solution	Electrostatics
212	High school	Find the potential at points a and b in the diagram as shown at "click here" for charges Q1 = +2.70 nC and Q2 = -2.70 nC. How much work must be done by an external agent to bring a point charge q from infinity to point b ? . . . continues Click to Purchase Solution	Electrostatics
211	High school	A square has sides of 2.0 cm with a charge of +15.0 micro C at one corner (a) and with charges of -5 micro C at the remaining three corners (b , c and d) . a) Find the electric field at the centre of the square b) Find the potential at the centre of the square . . . continues Click to Purchase Solution	Electrostatics
210	High school	Sketch a graph of the electric potential between x = 0.00 and x = 5.00 mm for the parallel plate capacitor as shown in the figure at "click here" . . . continues Click to Purchase Solution	Electrostatics
209	High school	A proton is fired from far away toward the nucleus of a mercury atom . Mercury is element number 80 , and the diameter of the nucleus is 14.0 fm . If the proton is fired at a speed of 4.00 x 10^7 m/s , what is its closest approach to the surface of the nucleus ? Assume the nucleus remain at rest . . . . continues Click to Purchase Solution	Electrostatics
206	High school	A proton with an initial speed of 8.00 x 10^5 m/s is brought to rest by an electric field . a) Did the proton move into a region of higher potential or lower potential ? b) What was the potential difference that stopped the proton ? . . . continues Click to Purchase Solution	Electrostatics
207	High school	What is the electric potential at point A, the centre of the triangle of charges shown in the figure at "click here". . . . continues Click to Purchase Solution	Electrostatics
208	High school	What is the escape speed of an electron launched from the surface of a 1.00 cm diameter plastic sphere that has been charged to 10.0 nC ? . . . continues Click to Purchase Solution	Electrostatics
205	High school	The electric field strength is 2.00 x 10^4 N/C inside a parallel- plate capacitor with 1.00 mm spacing . An electron is released from rest from the negative plate . What is the electron's speed when it reaches the positive plate ? . . . continues Click to Purchase Solution	Electrostatics
264	High school	A single conservative force Fx = (6.0x – 12) N (x is in m) acts on a particle moving along the x axis . The potential energy associated with this force is assigned a value of +20 J at x=0 . what is the potential energy at x = 3.0 m ? +11J +29J +9.0 -9.0 +20J . . . continues Click to Purchase Solution	Work,Power & Energy

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