A charged isolated metal sphere of diameter 16.0 cm has a potential of 9400 V relative to V = 0 at infinity. Calculate the energy density in the electric field near the surface of the sphere.

Q: Macmill A truck enters a typical runaway lane with a speed of 56.5 mph (25.3 m/s). Use the…

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A: Frequency of the photon (f)= 7.32×1014 Hz Planck's constant (h) = 6.626×10-34 j-s

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Q: its not 2.42

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Q: 5. Work done is negative when theta is greater than 90. 6. Air resistance is a special type of…

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Q: A pendulum completes 4.4 cycles every second what is its period

A: Given data:  Number of cycles = 4.4 Time (t) = 1 s Required: Period (T)

Q: What frequency (in Hz) of sound at 20.1 degrees Celsius has a wavelength of 1.71 m?

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Q: Copper has a density of 8.96 g/cm3.  How many kg of copper occupy 5.00 m3?

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Q: An automatic dryer spins wet clothes at an angular speed of 15 rad/s. Starting from rest, the dryer…

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A: In the following  problem, there is a projectile, launched from the point A with the initial…

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Q: Consider a bomb of mass M (see figure below) that sits in the middle of space. Initially, the bomb…

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Q: (1) Which pulse should you choose? A. #1 B. #4 C. #3 D. #2 E. none of these (2) Which point on the…

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Q: Find the energy of the following. Express your answers in units of electron volts, noting that 1 eV…

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Q: Macmillan Learning Your computer has an optical disk drive that can spin up to 10,000 rpm (which is…

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Q: (4 & Vo 145° X=450 7²50m X=137 m Find Vo=? total time t

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Q: A statue is crated and moved for cleaning. The mass m of the statue and the crate is 150 kg. As the…

A: Given,  m = 150 kg θ = 40o d = 4 m µk = 0.56

Q: Electric Potential is given by V=6x-8xy2-8y+6yz-4z2 then the electric force acting on 2 Coulomb…

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Q: 32. A skier leaves a ski jump at 15.0 m/s at some angle. At what speed is he traveling at his…

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Q: normal force, a

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Q: To nearly infinite line of charges exist on an (x, y) plane. One line with linear charge density A₁…

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Q: Two rods that are each 1 m in length are arranged on an axis so that their ends are 1 m apart as…

A: The answer calculated earlier is correct.and i did again in simple way but got the same answer.

Q: The force required to compress a non-standard spring as a function of displacement from equilibrium…

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Q: A copper plate has a length of 0.12 m and a width of 0.10 m at 25 °C. The plate is uniformly heated…

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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.