A parallel plate capacitor, separated by a distance of 0.9 mm, has plates of area 300 cm^2 . The capacitor is connected across a 100-V emf source and a dielectric slab of dielectric constant k = 3 is in between the capacitor. Find the energy stored in the capacitor.

Q: 12 10 v (m/s) 4 2 10 20 30 40 t (s) iii. 15-20 seconds i. 0-5 seconds ii. 5-15 seconds iv. 20-40…

A: From the graph , from time 5s to 15s , speed remains constant, as the graph remains parallel with x…

Q: What is the unit vector for vector M = [3.5, 4.8, -9.3] N a. [0.317, 0.435, -0.843] b. [0.435,…

A:

Q: What's mu? If p has a unit of [kg/m), v has a unit of [m/s), D has a unit of [m), and Ris unitless,…

A: Given ρ = density  ( kg/m3 ) v = speed ( m/s) D = length ( m) ' R ' is unitless         R = vDρ/μ…

Q: Spherical mirrors. Object O stands on the central axis of a spherical mirror. For this situation…

A:

Q: A pingpong ball is atatched to a rope and is swung in a vertical circle. What is its velocity and…

A:

Q: Given data : Force applied=2 N Displacemnt of object=3 m Find the work done

A: Given data :Force applied on the object (F) = 2 Newton displacement of the object (s) = 3 m To find…

Q: A simple pendulum, 2.0 m in length, is released with a push when the support string is at an angle…

A: Given: The length of the string is 2 m. The angle with the vertical is 25o. The initial speed of the…

Q: A cylinder was dropped vertically from rest in a very high, evacuated tube near the surface of the…

A:

Q: A proton (charge +?=1.602 ? 10^−19 ?) moves a distance d = 0.30 m in a straight line between points…

A: The force in a charge particle with charge q in an electric field E, is equal to qE . Work done by a…

Q: 17. Which of the following system CAN be used as an inertial reference frame? A. A box sliding down…

A: The frames of reference in which Newton's laws of motion hold good are called inertial frames.…

Q: Two-way. An object moved 4.0 [m] along the positive x-axis in 2.0 [s] and then again moved 5.0 [m]…

A: Data provided:  The object moves in two ways Δx1 = +4.0 m, in time (t1) = 2.0 s Δx2 = -5.0 m, in…

Q: In the figure the ideal batteries have emfs E, = 9.0 V and E, = 0.500 E,, and the resistances are…

A:

Q: Ping and Leni of equal mass collide on a horizontal frictionless surface. Before the collision, Ping…

A:

Q: Practice Problem 3.3 Find v and i in the circuit of Fig. 3.11. 6 V 42 Answer: -400 mV, 2.8 A. 14 V…

A:

Q: 6. If h goes to the right through Ri, k goes to the right through R2, and a goes to the right…

A: It is given that, I1 goes to the right through R₁, I2 goes to the right through R₂, and I3 goes to…

Q: Look at the velocity-time graph given. 12 10 v (m/s) 4 2 TO 20 30 40 ii. 5-15 seconds t (s) iii.…

A:

Q: 1. A ray of light passing from water to air is deviated 15 degrees from its original direction…

A:

Q: What is the potential difference between two point in an electric field if it takes 500J of energy…

A: Given data:  Potential Energy (U) = 500 J Charge (q) = 2.5 C Required: The potential difference (ΔV)…

Q: A 7951 - kg truck traveling at 7.33 m/s east collides with a 2262 - kg car moving at 17.2 m/s in a…

A:

Q: The experimental value of the mass density of the sphere is 8.35g/cm^3. The accepted mass density is…

A:

Q: The diagram below shows a pendulum in motion. Which describes the potential and kinetic energy of…

A: Given data:  A pendulum in motion Required: The potential and kinetic energy of the pendulum at…

Q: A sinusoidal wave travels along a string. The time for a particular point to move from maximum…

A:

Q: Which of the following is true about the magnetic field in a long, straight, current-carrying…

A: The magnetic field in a long, straight, current-carrying conductor relative to the radius

Q: Determine the surface area and volume of the concrete curb using the theorem of PappusGuldinus T100…

A: We have determine the surface area and volume of the concert curb.

Q: Given data : Force applied=2 N Displacemnt of object=3 r Find the work done

A:

Q: A 1.00-cm-high object is placed 3.95 cm to the left of a converging lens of focal length 7.80 cm. A…

A:

Q: Find the value of work done is 520 J and displacement is 42 m. Find the force applied ?

A: Given data:  Work done (W) = 520 J Displacement (d) = 42 m Required: Force (F)

Q: A rotating wheel requires 6.00 s to rotate 25.0 revolutions. Its angular velocity at the end of the…

A:

Q: Obtain the node voltages in the circuit of Fig. 3.4. Practice Problem 3.1 Answer: v, = -6 V, v2 =…

A:

Q: The electric field at a point in space is E = (700 I +600 J). What is the magnitude of the electrons…

A: Given that,  Electric field, E = 700i + 600j We know that charge of electron and proton is, Q = 1.6…

Q: If spin is not considered. how manv different wave functions correspond to the first excited level n…

A: We need to answer how many different number of wavefunctions are there for first excited state level…

Q: Find the value of work done is 520 J and displacement is 42 m. Find the force applied ?

A:

Q: Calculate the total binding energy, and the binding energy per nucleon, for Pt. The mass of the atom…

A:

Q: A single loop of area 200 cm2 is positioned perpendicular to a uniform magnetic field. Without…

A:

Q: What is the total capacitance of this circuit below? 10 μF 2.5 μF 0.30 µF O a. 2.9 x 10-7 F. O b.…

A:

Q: 27. Cassie is sitting on a frictionless playground slide that makes an angle 0 with the horizontal.…

A:

Q: Let Co and Q, be the capacitance and the charge of the capacitor without a dielectric. How would the…

A: Given : Capacitance without dielectric = C0 Charge without dielectric = Q0 Dielectric constant (K) =…

Q: The charges and coordinates of two charged particles held fixed in an xy plane are q1 = 2.74 uC, x1…

A: Determine the distance between charge q2 and q1. Determine the angle between the two charges.

Q: A circuit consists of two resistors connected in parallel. If the total resistance is 1403 Q and one…

A: Given data:  Two resistors are connected in parallel combination RT = 1403 Ω and R1 = 2000 Ω…

Q: he maximum height reached by the ball and how far away is the ball horizontally from the kicker?…

A: We know that the A placekicker kicks a football at an angle of 53 degrees above the horizon. If the…

Q: The most common oxygen isotope is °0, but the rarer isotopes O and 10 of this element also exist in…

A:

Q: In the Atwood machine, what is the direction of tension?   Going upward   Going downward…

A: Atwood machine : It is a system consists of two masses which are hold by massless strings with a…

Q: If the acceleration of the elevator is downward, which would not be possible? A weight of the…

A: Given data:  The direction of acceleration of the elevator is towards downward Required: The…

Q: A hiker begins a trip by first walking 25.0 km southeast from her car. She stopped and set up her…

A: On first day distance, A = 25 km Angle = 45° (southeast)  On second day distance, B = 40 km Angle =…

Q: As a pendulum swings back and forth   at the end points of its swing, its energy is all potential.…

A: Answer:- (5) all the above   As a pendulum moves it sweeps back and forth in a circular arc. One…

Q: Two point charges, initially 20 cm apart, are moved to a distance of 100 cm apart. What is the…

A: Two point charges, initially 20 cm apart, are moved to a distance of 100 cm apart. What is the…

Q: Give at least three (3) real life situation that demonstrate Lenz's law. Explain.

A: Lenz's law is based on Faraday's law of induction, which states that a changing magnetic field will…

Q: Each of the diagrams of atwood's machine below represents two weights connected by a massless string…

A: Summation of External force = Total mass x Acceleration More acceleration is needed for the one…

Q: 10. A car is moving at constant speed of 5.00 m/s. The driver sees the edge of the cliff 20.0 m…

A: Dewr student When accelerating of any particle is constant, we can apply the equation of motion as :…

Q: 1. The motion of a car moving through east is given by x(t) = 18.0 m + (8.4 m/s)t – (0.0350m/s²)t³.…

A: Given: The equation of the position of the object is given as. xt=18+8.4t-0.035t3 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.