Four identical electrical charges q1, q2, q3, q4 with a value of 6.5nC are located at the vertices of a square with side L=1.6m. The electric potential energy of the system, measured in nJ, is:

Q: At what frequency will an inductor of 1000 mH have a reactance of 500 N. Also find the current…

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Q: What is the equivalent resistance in this circuit? 25 Ohms 1.5 Ohms 12 Ohms 19 Ohms

A: Given data:.  Five resistors are connected in series combination R1 =3.0 Ω, R2 =4.0 Ω, R3 = 3.0 Ω R4…

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Q: 2. A gong is suspended by two ropes. One makes an angle of 25° with the vertical and is under a…

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Q: 12 Which of the circuits below are correcr 10V SV IV 10V 5V al and IV e T and III b Il and II d. Il…

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Q: A light ray propagates in Material 1 with index of refraction n1=1.19,n1=1.19, strikes an interface,…

A: We know that the snell's law of refraction is given as  n1sinθ1= n2sinθ2 where n1 and n2 are the…

Q: a. The upper estimate for the velocity after 5 sec is ft/sec. b. The lower estimate for the height…

A: The speed is decreasing fuction of time.  we know, v=450-g*t-----------------(1) where. g=32 ft/sec2…

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A: Given Diffraction grating = 1100 slits /cm Screen size = 14 cms d = 8.4 mm To find out  λlong λshort…

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Q: 3. One newton is equivalent to: a) 1 kg · m/s d) 1 kg / m b) 1 kg - m/s? e) 1 kg m

A: One Newton

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Q: An AC voltmeter reads 250 V. What is its peak and instantaneous values after 1/400 seconds, if the

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Q: A car travelling at 4 m/s acceleration uniformly the car travels 150 meters in 26 seconds, Find the…

A: The initial velocity, u=4 m/s. The distance traveled by the car, S = 150 m, in t = 26 s.

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Q: 2. Acceleration is always in the direction: a) of the initial velocity c) of the final velocity e)…

A: Acceleration is always in the direction of the net  force acceleration  is the vector quantity its…

Q: A proton moves with speed of 105 m/s through Earth’s magnetic field, which has a value of 55 x10‐6T…

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Q: a 2 -1 2 2 4 2 4

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Q: A 20.0 cm by 31.0 cm sheet of paper has a uniform surface charge density of 5.50*10^{-8} C/m^2 with…

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Q: Suppose the lady bug's position on a wheel is given as θ=7t-3t^2, where θ is in radians and t is in…

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Q: What would be the initial acceleration of the electron with distance of 4.52 cm to the left of an…

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Q: 8. The first overtone of a stretched wire of a given length is 320 Hz. The first harmonic is D. 160…

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Q: Anthea rubs two latex balloons against her hair, causing the balloons to become charged negatively…

A: Given data:  Two charged balloons Charge (q) = -2.0×10-6 C Distance (r) = 0.70 m Required: The…

Q: D5.6. A perfectly conducting plane is located in free space at x = 4, and a uniform infinite line…

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Q: A simple pendulum is suspended from the ceiling by means of a string and has a length of 1.56 m…

A: Given Data:- Length of the pendulum is l=1.56 m Initial speed of the pendulum is v0=1.73 m/s…

Q: 1. Which of the following statements is always true? a) If an object is moving, an unbalanced force…

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Q: 12-90. Show that the girl at A can throw the ball to the boy at B by launching it at equal angles…

A: The initial velocity of the ball thrown from point A is given by vA=10 m/s

Q: Activity 1. Which of the following is true about resistance in parallel? a. The sum of the…

A: Given, resistance connected in parallel.

Q: copper wire is r = 2.19 cm in radius and 2.6 m in length, has a resistivity of 1.72x10^-8 Ω m, and…

A: Given: The radius of the wire is 2.19 cm. The length of the wire is 2.6 m. The resistivity of the…

Q: Slide on! A block placed on an incline oriented 42° with respect to the horizontal has velocity u =…

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Q: 15 Meters 9 Meters 4 Meters 4 Meters Find the work done if I push a 5 kilogram mass up each plane…

A: The inclined surfaces are shown below.

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Q: A 75-kg man is riding in a 30-kg cart at 2.0 m/s. He jumps off in such a way as to land on the…

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Q: BTS. Which of the following corresponds to the equation B + T = S?

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Q: An oscillating block-spring system takes 0.629 s to begin repeating its motion. Find (a) the period,…

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Q: A ray of light is incident on the air - ice boundary at an angle of 40° with the normal. Part of the…

A: Given: Angle of reflection = 40°  Refractive index of ice = nice= 1.309

Q: 10. A motor is used to turn a flywheel, which has a radius of 0.3 meters. The Flywheel starts from…

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Q: Slip. Consider the figure below. If µ, = 1/(2 + V3) between the surfaces, what is the smallest…

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Q: Select the correct answer. When a ball hits a vertical wall, what happens to the components of…

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Q: balance the seesaw?

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Q: The reverberation time is 1.2 s for a room with dimensions of 6 m (L) x 4 m (W) x 3 m (H). What is…

A: The formula for reverberation time is given by  T=0.161×(volume of the room)a1S1+a2S2+a3S3Where…

Q: A solid cylinder with base area A= 20 cm^2 is placed completely underwater as shown in the figure.…

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Q: A crate of mass 85 kg is pushed along a floor with a force of 30 N for a distance of 9 m. Calculate…

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Q: Slide on! A block placed on an incline oriented 42° with respect to the horizontal has velocity u =…

A: The given data are listed below. u→=13.4i^-12j^ m/sa→=0.706i^-0.636j^ m/s2t=15 s Here, u is the…

Q: Newton's Law Law. Which of the following scenarios demonstrates Newton's 2nd Law? O A planet exerts…

A: The correct answer is first option.

Q: What is produced when a wire moves through a magnetic field? A resistance B electric current…

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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.