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Q: A diverging lens of focal length -12.4 cm is placed 40.0 cm from a converging lens of unknown focal…

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Q: Problem 8: The free-body diagram shows the all of the forces acting on an object of mass m = 4.13…

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Q: If you rub an inflated balloon against your hair and place it against a door, by what mechanism does…

A: Balloons rubbing on hair causes the

Q: Four positive charges with magnitudes indicated below are placed at the corners of the rectangle as…

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Q: In an experiment, a shearwater (a seabird) was taken from its nest, flown 5150 km away, and…

A: distance flown = 5150 km time taken by the bird to reach back the nest = 13.5 days

Q: are riding your bicycle down the road and decide to stop to take in the scenery.  Initially, your…

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Q: Find the potential at the center of curvature of the (thin) wire shown in the figure below. It has a…

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Q: A rotating platform turns with a constant angular acceleration 2.00 [rad/s²] A. How much time does…

A: Given Angular acceleration = 2.00 rad/s2 We have to calculate A. time taken to reach the angular…

Q: 2 Find the density of a metal necklace if its weight is measured to be 0.100 N in air and 0.0920 N…

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Q: An FM communication system has a sensitivity of 4 kHz/V. How much deviation (in Hz) does it produce…

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Q: What does it means that an object is electrically charged?

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Q: Calculate the pressure on the top lid of a chest buried under 4.00 m of mud with density equal to…

A: GivenHeight of mud, h1=4 mDensity of mud, ρ1=1.75×103 Kg/m3Depth of lake of water, h2=10 m

Q: Forces on Elevator Use the buttons to control the elevator and then use the graph to determine the…

A: Given, At the first the first applied on the elevator is 400 Newton. As the elevator is rest at…

Q: In a certain space at the earth’s surface the magnetic field is 0.1 T directed east.  What is the…

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Q: Part (c) Write an expression for FTy, the magnitude of the y-component of the tension in one chain,…

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Q: Which of the following is true between the electric field strength and the distance a point is from…

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Q: Nuclear radii may be measured by scattering high-energy electrons from nuclei. (a) What is the de…

A: Given: The energy of the electron is 172 MeV.

Q: A billiard ball traveling with a velocity of 5.0 m/s hits another ball of the same mass, which is at…

A: Given: mass of the two balls m1 = m2 = m            the velocity of the ball 1 (u1) = 5.0 m/s…

Q: Why is charge transferred by electrons rather than by protons?

A: In a matter there are positively charged protons, negatively charged electrons and neutral neutrons.…

Q: How can you describe a system if a calorimeter cup had a faulty lid or seal?     Open     Closed…

A: The systems can be identified in the following ways:   An open system, like a cup of tea, can…

Q: A straight wire with length 2324cm  carries a current 22A which is directed to the right and is…

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Q: Problem 1: A chandelier hangs h = 0.72 m down from two chains of equal length. The chains are…

A: The free body diagram is represented by figure 1

Q: 2. THIN LENSES. A 4-cm object is placed 8 cm away from a converging lens with a focal length of 6…

A: Given Data: Object distance = do = 8 cm focal length = f = 6 cm Object height = ho= 4 cm

Q: Sirius A has a luminosity of 26 Lsun and a surface temperature of about 9400 K. Part A What is its…

A: Given: The luminosity of Sirius is 26Lsun. The surface temperature is 9400 K.

Q: Calculate the radius of a horizontal steel bolt if it is expected to support a maximum load hung on…

A: expected maximum load hung from the bolt (f) = 2000 kg for safety reason , the bolt is designed to…

Q: person pulls a luggage along a level road for 5 m by exerting a force of 20N at an angle of 30° with…

A: Given: The displacement of the object is 5 m. The applied force is 20 N. The angle between applied…

Q: 1d constant acceleration formula physics

A: One-Dimensional Motion with Constant Acceleration is a sub-model of the Velocity and Acceleration…

Q: a system of particles. Show that while the kinetic energy of a system of particles is the sum of the…

A: This question is based on system of particles.

Q: Negative pressure is higher than atmospheric pressure O True O False

A: In this question we have to answer whether the given statement is true or false. Please give…

Q: A cylinder of radius 25 cm is rolling along the surface with a constant speed of 80 cm/sec. Identify…

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Q: are riding your bicycle down the road and decide to stop to take in the scenery.  Initially, your…

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Q: What is the efficiency of an out-of- condition professor who does 2.10 x 10^5 J of useful work while…

A: Given: The useful work is 2.1x105 J. The input energy is 500 kcal.

Q: If the fundamental frequency of an open-open tube is 500 Hz, what will be its fundamental frequency…

A: Given(s): The fundamental frequency of an open-open tube is 500 Hz. Require: What will be its…

Q: uniform magnetic field of 1.5mT is directed upward in a chamber. A proton with kinetic energy of 50…

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Q: A 4 m 3 m D

A: Given Data Q = 1 nC = 1×10-9 C Length = 4m  Breadth = 3m  Electric Field to be known ?

Q: An electric iron of resistance 20 ohms takes a current of 4 A. Find the heat developed in 26 seconds

A: Given value--- resistance = 20 ohm. current = 4 Amp. time =26 sec. We have to find--- heat…

Q: Calculate the gravitational potential energy of a light that a mass of 30 kg and is 12 m above the…

A: Given data :                Gravitational pull    =    g                 Height     =   h…

Q: Rtg 12V Req: Itotel=. I 2 Vュ V2

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Q: paper, I can't understand handwritten. A stone was thrown horizontally 5 m/s from the top of a…

A: stone thrown horizotally with velocity v =5m/sec   height of the building h = 50m

Q: An electron is in a state with e = 5. (a) What multiple of i gives the magnitude of the angular…

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Q: Electric field is a function of Velocity O Time O Acceleration O Position

A: According to question we need to find---  electric field is a function of?

Q: When the direction of the field is opposite to the direction of the normal surface area vector, what…

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Q: A small bead 2.75 [mm] in size is located 21.0 [cm] from the center of a concave spherical mirror…

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Q: A current of 8.5 A flows through a conductor for 10.4 seconds. What amount of charge passes through…

A: Given data :                          Current    =   I                           Time     =     t…

Q: Two identical rooms in a house are connected by an open doorway. The temperatures in the two rooms…

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Q: |22 A cable used to elevate heavy materials like steel beams must be tough enough to withstand…

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Q: 3. Given the three pairs of sunglasses below. Which one can eliminate the glare resulting from…

A: A transverse wave with both an electric and a magnetic component is known as an electromagnetic…

Q: Bonnie sits on the outer rim of a merry-go-round, and Klyde sits midway between the center and the…

A: Bonnie sits on the outer rim of a merry-go-round, and Klyde sits midway between the center and the…

Q: 2. A particle is traveling on the path r2(t), with acceleration vector (6t, e', 0). Initially at t =…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…

Q: Reaction Turbine 14.53 PQ How does a reaction turbine differ from a centrifu- gal nump?

A: turbine convert the mechanical energy into electrical energy. while pump convert the mechanical…