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Jebadurai S.

Physics 102 Electricity and Magnetism

2 hours ago

A horizontal string tied at both ends is vibrating in its fundamental mode. The trav- eling waves have speed fre- quency amplitude A, and wavelength Calculate the max- imum transverse velocity and maximum transverse acceleration of points located at (i) (ii) and (iii) from the left-hand end of the string. (b) At each of the points in part (a), what is the amplitude of the motion? (c) At each of the points in part (a), how much time does it take the string to go from its largest upward displacement to its largest downward displacement

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Sa P.

Physics 102 Electricity and Magnetism

8 hours ago

A lateral PSF is measured for an ultrasound-imaging device by imaging a small plastic bead in a container of water. The PSF is approximately Gaussian with a standard deviation of 0.75 mm. i. Calculate the minimum distance between two beads that can be resolved. First, make some plots of the sum of two Gaussians separated by a distance x=k?. The two “peaks” will become less obvious as distance is decreased. Second, pick a minimum distance for when the two peaks will not be discerned. (Some suggest the full width at half maximum.) ii. Give an expression for the MTF of the system. iii. At what spatial frequency is the MTF 1/2 of the low frequency value?

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Scheff G.

Physics 102 Electricity and Magnetism

10 hours ago

A circular loop of wire with radius R and mass M carries a current I in a uniform magnetic field B. It is initially in equilibrium with its magnetic moment vector aligned with the magnetic field. The loop is give a small twist about a diameter and then released. What is the period of the motion? (Assume that the only torque exerted on the loop is due to the magnetic field.)

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Muneera 2.

Physics 102 Electricity and Magnetism

10 hours ago

a cooper wire 3.2.mm in diameter, carries a 5 A current

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Muneera 2.

Physics 102 Electricity and Magnetism

10 hours ago

a cooper wire

Aa

Aadeen A.

Physics 102 Electricity and Magnetism

None

Can anyone solve these questions for me?

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Sbongakonke M.

Physics 102 Electricity and Magnetism

18 hours ago

Sphere A carries a net negative charge, and sphere B is neutral. They are placed near each other on an insulated table. Sphere B is briefly touched with a wire that is grounded. Which statement is correct? A. Sphere B remains neutral. B. Sphere B is now negatively charged. C. Sphere B is now positively charged. D. The charge on sphere B cannot be determined without additional information

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Ornwara T.

Physics 102 Electricity and Magnetism

None

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Ornwara T.

Physics 102 Electricity and Magnetism

None

What is this ans. Thanks

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Shawna E.

Physics 102 Electricity and Magnetism

None

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Tyler F.

Physics 102 Electricity and Magnetism

None

Calculate the electric field vector required to suspend a proton in the gravitational field near the surface of the Earth

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Bulelani P.

Physics 102 Electricity and Magnetism

1 day, 6 hours ago

You are given three bars of metal. Two of them are magnets and the third is made of a magnetic material but it is not magnetized describe how using only 3 bars you could determine which one of them is not a magnet

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Iyonna K.

Physics 102 Electricity and Magnetism

None

The element in group 1 and period 6 is called ? *

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Sav L.

Physics 102 Electricity and Magnetism

None

In a hydroelectric power plant, 100 mls of water flows from an elevation of 120 m to a turbine, where electric power is generated. The overall efficiency of the turbine-generator is 80 percent. Disregarding frictional losses in piping, estimate the electric power output of this plant.

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Sav L.

Physics 102 Electricity and Magnetism

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Sav L.

Physics 102 Electricity and Magnetism

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Sav L.

Physics 102 Electricity and Magnetism

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Sav L.

Physics 102 Electricity and Magnetism

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Sav L.

Physics 102 Electricity and Magnetism

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Sav L.

Physics 102 Electricity and Magnetism

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Sav L.

Physics 102 Electricity and Magnetism

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Sav L.

Physics 102 Electricity and Magnetism

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Sav L.

Physics 102 Electricity and Magnetism

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Sav L.

Physics 102 Electricity and Magnetism

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Sav L.

Physics 102 Electricity and Magnetism

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