A change of -84 μC is placed in a uniform electric field that is directed vertially upwards with a feild strength of 8.63x104 N/C. The charge moves 1.40 m at an angle of 30° doward from the horizontal (as shown below). Part A The electric potential energy of the charge will O Increase by 5.1 J O Decrease by 5.1 J O Increase by 10 J O Decrease by 10 J O Increase by 8.8 J O Decrease by 8.8 J (AF = 1.4 m - 30°9) =30° 1,4 m

Q: A laser emits a single, 2.0 ms pulse of light that has a frequency of 2.83 * 10^11 Hz and a total…

A: Frequency of light =2.83 ×1011 Hz Power of light =75000 W  Time of pulse =2 ms = 2 ×10-3 s Number of…

Q: Point charges are placed at (diagonally) opposite corners of a rectangle. The charges are of…

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Q: Calculate the height (in m) of a cliff if it takes 2.30 s for a rock to hit the ground when it is…

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Q: 4. A small underwater pool light is 1 m below the surface of a swimming pool. What is the radius of…

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Q: 3- Two thin converging lenses of focal lengths f1 = 10.0 cm and /2 = 5 cm are separated by 10 cm as…

A: focal length of first lens (f1) = 10 cm focal length of second lens (f2) = 5 cm distance between two…

Q: A bumper cap "A" (mass of A = 140kg) with a velocity of 15 km/hr hits a another car "B" (mass of B =…

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Q: A very long insulating cylinder of radius R=20 cm has a volume charge density ca which depends on…

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Q: Question A projectile was fired from the origin O of the Cartesian coordinates on the edge of a…

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Q: The wavelength of light corresponding to the threshold frequency for silver is 325 nm. Determine…

A: Wavelength corresponding to threshold frequency for silver = 325 nm wavelength of incident…

Q: Problem 6: The figure shows the forearm of a person holding a book. The biceps exert a force FB, and…

A: Apply the equilibrium condition of torque about the elbow joint and substitute the corresponding…

Q: The figures shows a overhead view (they are lying on the ground without any friction) long uniform…

A: Solution:- Writing the given values of the question Mass of the rod M=0.600 kgSpring constant k=1850…

Q: A grinding wheel is in the form of a uniform solid disk of radius 7.05 cm and mass 1.95 kg. It…

A: radius (r) = 7.05 cm = 0.0705 mmass (m) = 1.95 kg initial angular velocity = 0 radstorque = 0.591…

Q: A block of mass m is supported by two identical parallel vertical springs, each with spring…

A: Mass of block is m Mass is connected with two identical parallel vertical springs having spring…

Q: A passenger jet flies from one airport to another 1,313 miles away in 2.3 h. Find its average speed.

A: Distance covered by jet is d = 1313 miles Time t = 2.3 h

Q: A gas undergoes the process shown in the diagram below. During the process AB, the internal energy…

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Q: The function y(x, t) = A cos(kx - wt) describes a traveling wave on a taut string with the x-axis…

A: Wavelength, λ=0.8 m Angular frequency, ω=17.1π/s To determine the speed of travelling wave.

Q: A solenoid of radius r = 1.25 cm and length = 25.0 cm has 285 turns and carries 12.0 A. PLEASE…

A: Write the given values with the suitable variables. r=1.25 cm=0.0125 mL=25 cm=0.25 mN=285I=12 A…

Q: Find the electrostatic energy stored around a conducting sphere of radius a and surface charge…

A: For conducting sphere,surface charge density ρ=aεo

Q: A box is pushed a distance of 5 m by a force of 21 N. How much work is done on the box?

A: Force on box =21N  Distance travelled by box =5m

Q: radioactive

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Q: A conducting sphere of radius 3 cm and charge -4Q is at the center of TWO concentric conducting…

A: We need to determine the enclosed charge between the inner and outer shells.

Q: Three charged marbles are glued to a nonconducting surface and are placed in the diagram as shown.…

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Q: Consider a plano-convex lens of radius R surrounded by a vacuum. A parallel ray is incident on the…

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Q: A person has a weight of 625 N. What is their mass? Your answer should be in units of kg

A: Weight of person =625 N Acceleration due to gravity = g =9.8 m /s^2

Q: 6. What is the final speed of a electron that has an initial speed of 2 x 106 m/s that is…

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Q: Consider a driven damped oscillator with k = 32.0 N/m, m = 0.5 kg and b = 1Ns/m. The driving force…

A: The equation of motion for the driven damped oscillator is given by:  F(t) =m × x''(t) + b × x'(t) +…

Q: Suppose an electron confined to a box emits photons. The longest wavelength that is registered is…

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Q: A disk having moment of inertia 89 kg · m2 is free to rotate without friction, starting from rest,…

A: Moment of inertia, I = 89 kg · m² Tangential force range from F = 0 to F = 50.0 N Distance ranging…

Q: A police car is chasing a speeding car. Assume that the speeding car’s speed is 80.0 m/s and the…

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Q: A student drove to the university from her home and noted that the odometer on her car increased by…

A: The odometer increased by an amount = 15 km time taken by the student to reach university from her…

Q: A 1000-kg race car makes a turn of radius 0.04 km at 70 km/h. The road is banked at an angle of 16°…

A: 70km/h is 70000/3600 = 19.44m/s The force parallel to the banked plane, resulting from the weight of…

Q: A 350 g block is dropped onto a relaxed vertical spring that has a spring constant of k= 4.6 N/cm…

A: Work is a form of energy. It's calculation is done by W=F→.s→ Where, F is a force vector and s is a…

Q: Same situation as before. This time it s a block of mass 1.57 kg sliding with a constant velocity of…

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Q: A 0.42-mm-diameter hole is illuminated by light of wavelength 450 nm. Part A What is the width (in…

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Q: Suppose you start an antique car by exerting a force of 340 N on its crank for 0.13 s. 1) What…

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Q: This time we have a non-rotating space station in the shape of a long thin uniform rod of mass 7.20…

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Q: The diagram shows a one-dimensional line charge. The top half is some distance L from the axis and…

A: λ=20μC/m L=3.3 m

Q: Describe a mechanical wave

A: A mechanical wave is a kind of wave that calls for a medium, along with a strong, liquid, or gas, to…

Q: A capacitor with parallel circular plates of radius R = 1.40 cm is discharging via a current of 26.0…

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Q: 12. (a) Assume that an MX missile goes from rest to a suborbital velocity of 7.50 km/s in 30.0 s…

A: initial velocity u = 0  final velocity v = 7.50 km/s = 7500 m/s  time taken t = 30 s

Q: In the figure, a uniform plank, with a length L of 4.75 m and a weight of 630 N, rests on the ground…

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Q: a −2.5 eV  b 0.1 eV  c 1.8 eV  d 5.0 eV

A: given  the graph of  Maximum kinetic energy of the outgoing  particle and the frequency of the…

Q: A string of linear mass density μ = 0.25 kg/m is stretched between two supports with a uniform…

A: The speed of a wave traveling along a string under tension is given by: v=Tμ where T is the tension…

Q: What is the average power dissipation in a series RC circuit if R = 20.00 k2, C = 10.00 μF, and V=…

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Q: How much heat transfer (in J) occurs from a system if its internal energy decreased by 290 J while…

A: The internal decreased by 290 J. The work done is 43 J.

Q: Determine the angular momentum of a 71-g particle about the origin of coordinates when the particle…

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Q: A powerful motorcycle can accelerate from rest to 26.8 m/s (60 mi/h) in only 4.90 s. (For each…

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Q: The mean global average temperature of Venus is 730K. Calculate the emission flux by earth (S).

A: The emission flux, S, is the rate at which a planet radiates energy per unit surface area and is…

Q: What is the kinetic energy of each electron in a beam of electrons if the beam produces a…

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Q: Your friend refuses to use the coffee creamers at the local diner because they have been sitting on…

A: A coffee creamer is a non-dairy alternative to milk or cream that is often used to lighten the color…

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.