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.
A long pryoceram rod with a diameter of 80mm is clad with a very thin metallic tube for protection. The bonding between the rod and the tube has a thermal contact resistance per unit length of 0.1 mK/W.
What is the nominal value for density? Show the equation and show all of your units. What is the corresponding uncertainty associated with density? There will be no uncertainty component for R.
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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