Find the total current of the following circuit. 20 Ω www σου www 20 Ω 25 Ω www 25 Ω 100 Ω

Q: A wire loop is being pulled away from a current carrying wire. What is the direction of the induced…

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Q: Two boxes are connected by a massless string across a massless frictionless pulley.  Box S has a…

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Q: Electric charge is distributed over the semicircular region D shown below, with a charge density of…

A: Write the equation of the semicircle. x2+y2=22x2+y2=4y2=4−x2y=4−x2

Q: Q1. Express each force using cartesian: A=( )+ ( )j ++( )k B=( )i + ( )j + ( )k C = ( )i + ( )j + (…

A: Diagram 1: The force here is 4 kN and it is along the x-axis. Therefore, its components along the y…

Q: 2. In each case below, determine the following: a) the normal force, N b) the friction force, f if μ…

A: Mass of the block, m=50 kg The coefficient of friction, μ=0.10

Q: A lamp is connected to 120 V generator and dissipates 60 W.  What is the resistance in the lamp?…

A: Given: Voltage (V) = 120 V Power (P) = 60 W To find: Resistance (R) of the lamp.

Q: 7. Determine the resultant of the system of forces as shown in the figure. Also, what is the value…

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Q: its a physics hangman game, whats the 7 letter word that describes this statement in the picture.

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Q: As an experiment, a lab TA strikes a thick aluminum rail with a wrench. The TA's advisor records two…

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A: Gauss's law: It states that the electric flux (ϕ) through any closed surface is proportional to the…

Q: what is the final temperature of the system? the specific heat capacity of the steel is 0.15…

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Q: A 19.5 kg package is released from rest down a 30.0° chute. When the package reaches the bottom it…

A: Only the first will be answered. Please post separately for the next question. Given: Mass m1 =19.5…

Q: An object is traveling such that it has a momentum of magnitude 23.5 kg · m/s and a kinetic energy…

A: Momentum, P = 23.5 kg·m/s  KE, k = 293 J Speed, v = ?  Mass, m = ?

Q: 1. Plot the graph y = - cotx, [-2π ≤ x ≤ 2π].

A: The equation is y=-cotx And the range is -2π≤x≤2π

Q: Q4.1 Open the water tap. You should see the lamp is on continuously. Explain why. Q4.2 Suggest FOUR…

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Q: NOTE: FOR THIS ITEM, ROUND OFF TO SECOND DECIMAL PLACE. 7.00 kg 37.0⁰ 12.0 kg The coefficient of…

A: Tension is 79.5N

Q: Pickup Coil Q2.4 Suggest how you can make the lamp brighter. .. … …. Q2.5 Change the bar magnet…

A: 2.4 Three ways to make the lamp brighter are: Increase the wattage of the bulb: You can replace…

Q: 2. Consider an optical system depicted below. 140 Stop | Į 40 +40 -40 OF 20 (a) Locate the principal…

A: (a) Principal planes are hypothetical planes. They have no physical existence: they are a…

Q: An object with a height of 1.5 cm is placed 3 cm in front of a mirror. The image is located 6.6 cm…

A: To determine the focal length of the mirror, we can use the mirror equation: 1f=1u+1v Where f is the…

Q: Consider a series RC circuit as in the figure below for which R = 5.00 MQ, C = 1.00 µF, and E = 25.0…

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Q: You are working as an assistant to a landscape architect, who is planning an artificial waterfall in…

A: Kinematics equation of motion: The kinematics equations of motion describe the motion of an object…

Q: Consider the arrangement shown in the figure below where R = 8.50 , l = 1.40 m, and B = 2.75 T. HINT…

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Q: Determine the acceleration of the masses

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Q: air velocity of a fan that blows 1500 cubic feet per minute? air velocity of a fan that blows 1275…

A: Air flow rate and volume: Air flow rate is a measure of how much air passes through a given volume…

Q: By how much would the gravitational force between two objects change if the mass of one of the…

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Q: What is the range (R) of the object ?

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Q: Consider the following diagram. A Which of the following would correctly describe the image formed…

A: Given Data: A figure of convex lens is given. To Determine: The properties of the image formed.

Q: There are two spheres of different charges, one with three times the charge of the other. The…

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Q: Directions: Solve the given problems and show your complete solution. 1) Sphere A (8q) touches…

A: Conservation of electric charges: The conservation of charges is a fundamental principle of physics…

Q: A certain region in space has an electric field of zero. Which best describes the electric potential…

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Q: In a certain region, the electric potential due to a charge distribution is given by the equation…

A: Given V(x,y) = 2xy-x2-y

Q: A comet at the farthest distance from the Sun of 4.75 x 10⁹ km moves with a speed of 1.18 km/s. What…

A: Given: Distance r1 =4.75(109 ) km Distance r2 =8.77 (10 7 ) km Speed at farthest position  v1 =1.18…

Q: Your weight on the Earth is 850 N. What is your weight on Mars? Assume the mass of Mars is roughly…

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Q: (a) Find the useful power output (in W) of an elevator motor that lifts a 2200 kg load a height of…

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Q: Estimate the linear separation (in kilometers) of two objects at a distance of 6.5 x 105 km that can…

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Q: If we want to observe at a wavelength of 10 μm, what are the largest fluctuations that the mirror…

A: The maximum allowable fluctuations in the surface of a mirror depend on the desired level of…

Q: Sam, whose mass is 70 kg, straps on his skis and starts down a 64 m -high, 20° frictionless slope. A…

A: Potential energy=mass*acceleration due to gravity*height Kinetic energy= (mass*speed^2)/2

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Q: As seen in the picture, an airboat is a special type of boat that has a large fan mounted on the…

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Q: Two negative and two positive point charges (magnitude Q= 2.27 mC ) are placed on opposite corners…

A: The magnitude of charge at each corner, Q=2.27 mC The side of the square, a=0.100 m

Q: What is the electric field inside an insulating sphere that has a radius of 4mm if the metallic…

A: To determine the electric field inside the insulating sphere, we can use Gauss's law. Gauss's law…

Q: Two small objects, A and B, are fixed in place and separated by 2.96 cm in a vacuum. Object A has a…

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Q: A rubber ball with a mass of 0.110 kg is dropped from rest. From what height (in m) was the ball…

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Q: Why do we use half the length of the meter stick?

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Q: Give the example of black body (HW3)

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Q: →→ B=+45-2kand fA=i+2j → → A-B+C= -i+j+2kwhat is C? 一

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Q: A particular form of electromagnetic radiation has a frequency of 6.41 x 10¹ Hz. 15 Part 1 of 3 What…

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Q: How do physicists measure the expansion rate of the universe?

A: How do physicists measure the expansion rate of the universe?

Q: A 2.55-kg pendulum bob is attached to an 85.0-cm-long string. The pendulum is pulled sideways until…

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Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.