A proton (q = 1.6x10-19 C) moves along a uniform E-field (3.0 v/m) for a distance of 10 cm. What is the change in kinetic energy of the proton? A. 4.0x10-19 J B. 8.6x10-20 J -20 J C. 4.8x107

Q: An object slides on the flat ground. It comes to a stop under the influence of friction with a…

A: 1. Force = ma = m * 2.45 m/s2 Frictional force, F = μ * R = μ * mg   Equating, we get 2.45 * m = μ…

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Q: Part A Projectile Motion: A boy throws a rock with an initial velocity of 3.13 m/s at 30.0° above…

A: Given  Angle of projectile,  θ = 30° Initial velocity,  u = 3.13 m/s  Acceleration due to gravity,…

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A: I have use the concept of free charge that

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A:

Q: Suppose a heat engine is connected to two energy reservoirs, one a pool of molten aluminum (660°C)…

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A: Given:- A nonuniform horizontal bar of mass mmm is supported by two massless wires against gravity.…

Q: General Questions: You are in a train traveling on a horizontal track and notice that a piece of…

A: Given statement : " you are in a train travelling on a horizontal track and notice that a piece of…

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A: Page 1

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A:

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A: We need to find why the metric system is preferred over the British system.

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A:

Q: If a pigeon sits on top of a building and has a potential energy of 249 J, if the pigeon has a mass…

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Q: gravity (CG), which is at the 50 cm mark. TI ck hanging from the 80 cm mark. Decide wl ther blocks…

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Q: In the figure, if a = 1.8 cm, b = 3.5 cm, and I = 5.0 A, what is the magnitude of the magnetic field…

A:

Q: Part A Equilibrium: A push of magnitude Pacts on a box of weight Was shown in the figure. The push…

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A: See below

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A: Torque is given by  Torque = Force x perpendicular distance

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A:

Q: (Figure 1) The car shown in the figure has mass m (this includes the mass of the wheels). The wheels…

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Q: When 262-nm photons are incident on the surface of a metal, electrons are ejected from it and the…

A: The required energy of incident photon is, The required kinetic energy of ejected photon is,

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A:

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Q: The magnetic field in (Figure 1) is decreasing at the rate 0.60 T/s. Figure What is the magnitude…

A: Given rate of decreasing magnetic field dBdt = 0.6 T/s radius of circle r = 1 cm = 0.01 m

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A:

Q: 2. A stack of bricks with mass m=200 kg is sitting on a frictionless ramp, connected to a rope as…

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Q: Q2. A parallel plate capacitor has two kinds of dielectric materials between two electrodes. The…

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Q: Calculate the moment of force F about point P. Express the results as Cartesian vector. Note:…

A: From the diagram:

Q: Estimation: A reasonable estimate for the duration of a typical physics lecture is 3500 s. 600 s.…

A: I minute is equivalent to 60 second So 10 minute of lecture will be 600 second. So lecture duration…

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.