What is the ratio of the radii of their circular paths
A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular paths?
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Assuming the constant specific heats provided, calculate the peak temperature T3 and the rate of thermal energy released in the combustion chamber.
Suppose you wish to fabricate a uniform wire out of 2.30 g of copper. If the wire is to have a resistance of R = 0.500 Ω and if all of the copper is to be used, what must be:
Two long wires are seperated by a distance of 33 cm and carry current in the same direction. Wire A carries a current of 1.2 A, wire B carries a current of 0.75 A. Where is the magnetic field is zero ?
A mass of 2.4 kg of air at 150 kPa and 12ºC is contained in a gas-tight, frictionless piston-cylinder device. The air is now compressed to a final pressure of 600 kPa.
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The frequency of the light remains the same, but the speed of the light slows down to 2.3 x 108 m/s. How many wavelengths are there now in one pulse?
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