For an electron do the following: a) Calculate the change in electric potential energy when the magnitude of the electric field is 250 N/C, the starting position is 2.4 m from the origin, and the final position is 3.9m from the origin. b) Find the initial speed of the electron assuming its speed has decreased to half of its initial speed after the same displacement.

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A: Given: The speed of the fluid is 31 m/s. The mass of the fluid is 47 kg.

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Q: vertices of a square of side l. What is the potential energy of the system ? (a) -2Gm2 1 (b) 2+ 1…

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Q: . In a calorimeter experiment with ice cubes and hot water experiment, what happens to the…

A: A- When ice melt temperature of the ice increases from -ve degree to +ve degree Celsius. Since…

Q: TRUE OR FALSE 2.The cross product of velocity of the charge and the magnetic field is equal to vB…

A: #since, you post too many questions , i am solving first three for you pleases post other question…

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A: We know that We have given that the A Plano-convex lens (focal length f2 refractive index μ2 radii…

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Q: 1. Mike Davidson is riding his motorbike south along a flat, horizontal road. The total weight of…

A: Mike Davidson is riding his motorbike south along a flat, horizontal road. The total weight of Mike…

Q: A

A: Near point=13.5 cm=13.5/100=0.135 m Far point=117 cm=117/100=1.17 m

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A:

Q: A factory worker drops a 10 kg steel block from rest (m=10). The block then falls 30 cm onto a…

A: Givenm = 10 kgs = 30 cm = 0.30 mk = 400u = 0 m/s

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Q: = 3000 ohms and R2 = 4000 ohms are joined in series and connected to a 120-volt supply. The voltage…

A: We know that ohms law is given that  V = IR  where V is the voltage. I is the current. R is the…

Q: A monorail train starts from rest on a curve of radius 4 accelerates at the constant rate a, . If…

A: Given:- A monorail train starts from rest on a curve of a radius of r = 400 m and accelerates at a…

Q: If the Earth rotates 1.00 times every 24.0 hours, what is its angular velocity?

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Q: Part A A box is given a push so that it slides across the floor How far will it go, given that the…

A: If friction coefficient is uk then deceleration of the object will be  a = ukg= 0.18*9.8= 1.768 from…

Q: It The patential alitference PT mimala electric motor 18 245V m errentetsf flowing.hrooth bet wween…

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Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0.The…

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Q: Two falling sky divers have total mass of 138 kg including parachute. The upward force of air…

A: Answer Given Mass of sky diver (m) =138kg And air resistance is  1/4 of  weight of sky diver.

Q: Electric-gasoline powered vehicles are called

A: We have to write  about electric gasoline powered vehicle.

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Q: A small spotlight mounted in the bottom of a swimming pool that is 4.1 m deep emits light in all…

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Q: When a horizontal spring is extended 5.60cm from equilibrium it exerts a restoring force of 2.50N .…

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Q: For each case, determine the direction of the force on a positive charge moving with velocity i in a…

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Q: A solenoid has a length of 30.0 cm and cross-sectional area 0.750 cm?, contains 500 turns and…

A: Given: Length of solenoid, l=30.0 cm Cross  sectional area , A=0.750 cm2  Number of turns, N= 500…

Q: 1. If you wanted to melt ice, then heat it up, and get the water to just barely vaporize, how many…

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Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0. The…

A: Determine the function y at x = -2.64 m. Determine the function y at x = 0 m.

Q: 7. Describe the deflection on the galvanometer given the position of the magnet. Position of Magnet…

A: According to Faraday's law:- Rate of change of magnetic flux produces emf in the coil..  So,…

Q: A very large clock has a pendulum with a length of 3.70m. What is the period of this pendulum? O…

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Q: In theory, a current carrying wire will have a magnetic field. What are various ways to run a…

A: Connecting the wire's ends to a voltage source, such as a battery or a cell, allows current to flow…

Q: Part A According to a simplified model of a mammalian heart, at each pulse approximately 20 g of…

A: Given data:  Mass (m) = 20 g = 0.020 kg Initial velocity (Vi) = 0.25 m/s Final velocity (Vf) = 0.36…

Q: Demonstrate (explain) Laws/principals that govern the motor effect.

A: Given : Asked to demonstrate the laws/principle that governs the motor effect.

Q: Find a website that has at least two examples of gravitational potential energy. The examples may be…

A: .

Q: mass of 3 kg descending vertically downwards Supports a mass of 2 kg by means of a light string…

A: Here, we calculate  the height  of object  as given follow;

Q: 15 in. The required tension in cable AB is 200 lb. (Note: Point C is a pin joint.) D Draw a free…

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Q: When a horizontal spring is extended 7.80cm from equilibrium it exerts a restoring force of 3.30N. A…

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Q: Predict: If the magnet was moved closer at a slower speed, the current produced would be... bigger.…

A: The concept of magnet is use here.

Q: A baseball projected with an initial velocity of 141 m/s at an angle of 45° follows a parabolic path…

A: Given data:  Initial velocity (v0) = 141 m/s Angle (θ) = 45° Air resistance is negligible Required:…

Q: 2. Which of the following would be an example of charging by friction? bringing a charged rod close…

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Q: Part A How many slits per centimeter does a grating have if the third-order occurs at an 17.0 °…

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Q: A car engine accelerates a 1000 kg car from rest to 14 m/s in 6.5 s. How much power does the engine…

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Q: A particle is moving with speed y = bvx along positive x - axis. Calculate the speed of the particle…

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Q: A current of 0.87 A flows through a copper wire of radius 3.53 mm; copper has 8.50x1028 free…

A: Drift speed is the average speed attained by electrons in a material due to electric field

Q: Find the moment of inertia of a thin spherical shell with a mass of 0.15 kg and a radius of 0.5 m.

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Q: A bat flying at 4.65 m/s is chasing an insect flying in the same direction. The bat emits a 39.9-kHz…

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Q: 15. Fe →Co + 27 16. 17. 1Si + 56NI + öy 28 18. 20 19. 1Ne + → g0 + He 20. WOTOBPARD

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Q: Given data Mass = 40 kg Kinetic energy 1200 J %3D Find velocity ?

A: Given data :       Kinetic energy  =  K•E       Mass  =  m            To find :         Velocity

Q: What is the magnetic field at point P produced by this arc of wire. Assume the following: 1932 A a…

A: Given: I=932 Aa=0.828 mmb=2.54 mm

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.