21.14 · A negative charge of -0.550 µC exerts an upward 0.200-N force on an unknown charge 0.300 m directly below it. (a) What is the unknown charge (magnitude and sign)?

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Q: In the given network, each capacitor has C = 4.00 µF and Vab = +28.0 V. Calculate the: a. Total capa...

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Q: Two carts of mass 0.65 kg and 1.50 kg are moving on a level air track with velocities -1.60 m/s and ...

A: Given, mass of the cart, m1 = 0.65 kgm2 = 1.50 kgv1 = -1.60 msv2 = +0.85 ms  

Q: The figure below shows a ball thrown from the top of a cliff at a downward angle of θ= 35.9° . It hi...

A: Given  D = 7.64 m is horizontal distance  Time taken, T = 1.11 sec  Downward angle, θ= 35.9°   If U ...

Q: A 2-kg mass is attached to a spring with stiffness k = 18. Neglecting 4. ( dampıng, write out the eq...

A: Given: The mass of the object is 2 kg. The spring constant is 18 N/m.

Q: 2. The equivalent capacitance of two capacitors in series is 0.03 uF and when connected in parallel,...

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Q: gure below is a graph that shows the velocity of an object along a straight line plotted against tim...

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Q: Solve each problem correctly and systematically. Your answers should be in 3 decimal places.   A h...

A: Given data-                              helicopter velocity =  160 km/h = 44.44444 m/s             ...

Q: It is NOT possible for an electric field to be created in the absence of electric charge. True False

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Q: 1. A point charge ql = -6.0 µC is at the point x = 2.40 m, y = - 0.70 m and a second point charge q2...

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Q: Which of the following is a recall type of objective test?1. True or false 2. Fill in the blanks 3. ...

A: Given : Which of the following is a recall type of objective test ?  

Q: A finite linear charge distribution has a total charge Q and length l. The linear charge density is ...

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Q: Two point charges q, = +26µC and q2 = -17.5µC are 64 cm apart. a. What is the potential energy of th...

A: Given value--- q1 = 26 nC. q2 = - 17.5 nC. We have to find--- a. What is the potential energy of ...

Q: A Carnot engine is running at 30% efficiency and at a rate of 12 cycles/s. It absorbs 1000 J of ener...

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Q: Consider a three layer symmetric waveguide.  In the following cases, explain if the number of modes ...

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Q: Please solve this circuit and explain how it was done.

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Q: Block A supporting another block B is pulled along a rough horizontal plane by a horizontal force P....

A: Given data: Frictional coefficient between A and plane is uA=0.3 Frictional coefficient between A an...

Q: Some older optical fibers are made of a core light transferring material of flint glass (nint = 1.76...

A: given,  n1 = 1.766 and n2 = 1.453 Let x1 be the critical angle From Snell's Law,                n1 s...

Q: A helicopter flying with a velocity of 160km/h at elevation 500m above sea level dropped supplies to...

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Q: A block of iood of mas8 350g is moring at a speed ofs m of5 ms. Fin d its kE in Joules.

A: Given  Mass of block (m)  = 350 g                                    = 0.350 kg Speed of block (v) =...

Q: 12. What is the magnitude of the electric field due to Q1 at the point P? * O 2.088x10^(2) N/C O 2.0...

A: Given value--- Q1 = -5.8 nC . Q2 = -2.9 nC. Q3 = 5.8 nC. side of Equilateral triangle = 50 cm. We ...

Q: 1. A point charge ql = -6.0 uC is at the point x = - 0.50 m, y 1.20 m and a second point charge q2 =...

A: 1) Draw the free-body diagram of the system.

Q: A helicopter flying with a velocity of 160km/h at elevation 500m above sea level dropped supplies to...

A:

Q: You have a hand-crank generator with a 100-turn coil (each turn having an area of 0.0250 m2), which ...

A: Number of turns (N) = 100 Area (A) = 0.025 m2Magnetic field (B) = 0.04 T rotational speed of crank =...

Q: QI/ which of the following have higher energy than another: 1. Gamma 2. Beta 3. Alpha Q2/ what is th...

A: we know energy(E)=hϑ , ϑ=energy of the particles                                          h=planck's...

Q: Refer to the Problem #50 (page 525 of your textbook/ebook). a.) x 10 5 N-m2/c b.) x 10 5 N-m2/c 50. ...

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Q: Six conducting spheres all with the same radius are brought into contact. Before contact, they have ...

A: Given value--- charge on six conducting sphere =  7.7 mC, -1.3 C, 8 C, 6.2 mC, 7.3 mC and 3.9 mC. ...

Q: The figure below shows two blocks connected to each other by a light cord that passes over a pulley ...

A: Given: m1=4.4 kgm2=12 kg The surface is frictionless. The free-body diagram is given below.

Q: An object dropped from a cliff falls with a constant acceleration of 10 m/s2. Find its speed 5 s aft...

A: Givenu = 0 m/sa = 10 m/s2t =5 s

Q: 2. A box of mass 10 kg rests on an inclined plane as shown. The string makes an angle of 25 degrees ...

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Q: In a construction site, a heavy hollow block falls down from a height of 31m above the ground Unfort...

A: Given value--- block falls down from a height of 31m above the ground. man 6ft height . We have to...

Q: 7. Given are 4 points in space: (x,y,z) A (3,2,3) B (0,1,4) C(2,4,1) D(0,5,4) The line of action of ...

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Q: A block of mass m= 3.50 kg oscillates on a flat horizontal frictionless surface, under the action of...

A: Given Data: The mass of the block is: m=3.50 kg The elastic constant of spring 1 is: k1=1.00 N/m The...

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Q: a) CALCULATE the acceleration of the Falcon 9 Rocket if it takes 70 seconds from launch to reach sup...

A: As per guidelines only first 3 parts  solution are provided. Given  Supersonic speed,V = 343 m/s  Ti...

Q: Whale and Kanmuro are two islands located in the Chimera archipelago. These two are separated by a d...

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Q: Extremely large magnetic fields can be produced using a procedure called flux compression. A metalli...

A: Given magnetic field on the solenoid is 2.50 T and R/r = 12.0 We have to find the maximum value that...

Q: Three forces act on a point. : 3N at 0 degrees, 4 N at 90 degrees, and 5 N at 217 degrees. What is t...

A: According to given question to find the resultant force first we find the net horizontal component o...

Q: What is the value of the specific heat of a liquid in J/(kg•°C) if two kilograms absorb 83.6J when i...

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Q: A Carnot engine is running at 30% efficiency and at a rate of 12 cycles/s. It absorbs 1000 J of ener...

A: Given value--- efficiency = 30 %. absorbed energy = 1000 J. temperature of hot reservoir = 250 degr...

Q: If I want a positively charged particle to move to the right, where should I place a positive electr...

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Q: A 1.00×104 kg railroad car is rolling at 3.00 m/sm/s when a 6000 kg load of gravel is suddenly dropp...

A: Given value--- Mass = 1 × 10⁴ kg. speed = 3 m/s. gravel mass = 6000 kg. We have to find--- final ...

Q: Two particles are fixed to an x axis: particle 1 of charge q, = 3.09 x 108 C at x= 26.0 cm and parti...

A: Given, q1 = 3.09×10-8 C at x = 26.0 cmq2 = -4.84q1 at x = 80.0 cm  

Q: Consider a resistor made of copper that you connect to a 12.0 V power supply in an oven where the te...

A: Assume that a resistor of resistance R1 is connected to a 12.0 V power supply in the oven wherein th...

Q: To tune in for the right frequency of a radio station, we may have to adjust a: Group of answer cho...

A: in a radio tuner we use a resonant circuit .

Q: 8. An object is pulled across a rough horizontal surface with an applied force of 300 N [40o below t...

A: Here, we will draw free body diagram in two cases and then using equation of motion we can find fric...

Q: 1. Two equal negative charges q1 = q2 = - 9.0 µC are located at (2.40 m, 0) and (- 2.40 m, 0), respe...

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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.