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A 0.70 T magnetic field is applied to a paramagnetic gas whose atoms have an intrinsic magnetic dipole moment of 1.4 x 10-20 J/T. At what temperature will the mean kinetic energy of translation of the atoms equal the energy required to reverse such a dipole end to end in this magnetic field?
Four identical masses of 2.1kg each are located at the corners of a square with 2.0m sides. What is the net force on any one of the masses
An imaginary accelerator consists of colliding beams of electrons and protons, each of 2TeV total energy. What laboratory energy would be required to achieve the same center - of - mass energy if electrons collide with stationary protons?
Cells maintain a high concentration of macromolecules inside them. How do you expect this to affect the osmotic pressure inside the cell? What mechanisms does the cell use to counterbalance osmotic pressure? What are "depletion forces" and why are..
After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 5.45km below the surface, What's the water pressure at that depth
Four point charges have the same magnitude of 7.60 *10^-12 C and are fixed to the corners of a square that is 2.0 cm on a side. Determine the magnitude of the net electric field that exists at the center of the square
A plastic rod is rubbed with a cloth, and in the process it acquires a charge of ?2.1×10E?8C. How much does the mass of the rod increase by
An astronaut on the space shuttle traveling at a speed of 0.70 c is holding a meter stick parallel to the direction of motion
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 39.2m/s2. Find the maximum height ymax reached by the rocket
At the instant the traffic light turns green, an automobile that has been waiting at an intersection starts ahead with a constant acceleration of 2.40, How fast is the automobile traveling when it overtakes the truck
An electromagnetic wave in a vacuum has an instantaneous magnetic field strength of 0.000000740 T at a certain point. What is the instantaneous electric field strength of the wave at this point?
The refractive indices of materials A and B have a ratio of nA/nB = 1.66. What is the speed of light in material B
A 2.46×10^4 rocket blasts off vertically from the earth's surface with a constant acceleration. Throughout the motion considered in the problem, suppose that remains constant. Inside the rocket, a 15.10 instrument hangs from a wire that can support a..
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