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Consider an electron in the n = 7 state hydrogen. What is the magnetic field produced by this current loop at the nucleus?
At a certain location, the horizontal component of the earth's magnetic field is 4.90 10-5 T, due north. A proton moves eastward with just the right speed, so magnetic force on it balances its weight. Find the speed of the proton.
An object carries a charge of -6.6 µC, while another carries a charge of -2.0 µC. How many electrons must be transferred from the first to the second object
A 53.5 kg pole vaulter running at 11.4 m/s vaults over the bar. Her speed when she is over the bar is 1.14 m/s. determine her altitude as she crosses the bar
You are a professional frontier re-enactor who specializes in making lead shot. To do this you put 2 kg of ice into 2 kg of water, both at 0 C, into an insulated bucket.
Three 15.53-g Styrofoam balls of radius 2 cm are coated with carbon black to make them conducting and then are tied to 1.15-m-long threads and suspended freely from a common point
A charge (uniform linear density = 9.0 nC/m) lies on a string that is stretched along an x axis from x = 0 to x = 3.0 m
A long solenoid with 10.0 turns/cm and a radius of 7.00 cm carries a current of 20.0 mA. What is the magnitude of the magnetic field there
A laser with wavelength 650 nm is incident on a single slit with width 10 mm. A screen is placed 1 m beyond the slit. How far apart will the first dark bands on either side of the central maximum be?
A capacitor has a capacitance of 2.48 10-8 F. In the charging process, how many electrons have been transferred
Determine and explain the ways a corporation can use advanced Excel tools such as MIN and MAX statement, conditional formatting, and additional tools that have found to manage their business finances.
A 45 dB sound wave strikes an eardrum whose area is 4.1 × 10-5 m2. How much energy is received by the eardrum per second
What is the average force felt by a 0.06 kg tennis ball if it strikes the racket at a speed of 30m/s and leaves the racket with a speed of 50m/s in the opposite direction
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