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a) What is the magnetic field at the center line of a linear solenoid of diameter D=0.125 m that is 1.00m long and carries current I=1.25 A? This solenoid has N=625 loops of copper wire.
b) what happens to the magnitude of the magnetic field if this solenoid is bent into a toroidal shape?
On planet X, the alien residents use a temperature scale in which they define 0 degrees X to be the melting point of nitrogen and 100 degrees X to be the boiling point of nitrogen.
A tungsten target is struck by electrons that have been accelerated from rest through a 29.1-kV potential difference. Find the shortest wavelength of the radiation emitted
A transmission diffraction grating 420 lines/mm is used to study the light intensity of different orders (n). A screen is located 2.5m from the grating. What is the separation on the screen between the three brightest red lines for a hydrogen source?
Two identical charges are separated by 38 millimeter and experiences a repulsion force of 9 N. Determine the amount of each charge in micro Coulombs
How many square meters of PV would it take to provide 1 kW for a world population of 6 billion? If these cells were crystalline silicon of 200 microns thick(200*10^-6), what is the minimum mass of silicon material needed for this venture? (Density of..
A 2.0 kg box of running shoes slides on a horizontal frictionless table and collides with a 1.0 kg box of ballet slippers initially at rest on the edge of the table, at height h = 0.41 m. find their kinetic energy just before they strike the floor
The orbit of the moon takes 27.321661 days (you should convert to seconds!) at a radius of 384,748 km, Calcualte the orbital speed of the moon
four point charges have the same magnitude of 1.9 x 10-12 c and are fixed to the corners of a square that is 6.4 cm on
An electron in an infinite potential well (a box) makes a transition from the n = 3 level to the ground state and in so doing emits a photon of wavelengh 20.9 nm. what is the width of this well
On average, each American produces 20,000 kg of CO2 per year, mostly through the consumption of fossil fuel such as oil, coal, and natural gas. what would be the length of each side of the cube
A 20.0 kg wood ball hangs from a 1.3 m long wire. The maximum tension the wire can withstand without breaking is 300 N. A 0.70 kg projectile travelling horizontally hits and embeds itself in the wood ball.
When a 2.50 kg object is hung vertically on a certain light spring described by hooke's law, the spring stretches 2.76 cm. What's the force constant of the spring?
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