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Suppose cos(ax) solves the Schrödinger Equation for a particle in one dimension.
a) From cos(ax) determine mathematically the kinetic energy as a function of position.
b) Explain mathematically how the total energy varies with 1/a, the wavelength of the function.
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and approximate the human body by a rectangular block with a height of 1.66 m, How much energy does our body lose in one second
What is the final temperature when .032kg of milk at 11C is added to .16 kg of coffee at 91C. suppose the specific heat capactieis of the two liquids are the same as water, and disregard any energy transfer to the liquid's surroundings.
A 0.00275-kilogram air inflated balloon is given an excess negative charge, q1 = -3.50 × 10-8 C, by rubbing it with a blanket. what polarity of charge must the rod possess
A potential cannon is created to shoot charged balls straight upward. What is the maximum height, above the end of the cannon, it will reach
A 50 kg uniform horizontal beam of length 3.0 m is attached toa brick wall by a bracket at the wall and a cable attached to the far end that makes an angle of 60? with thehorizontal. A 75.0 kg person stands on the beam, 1 meter away from the wall.
An iron nail is brought near a magnet. Which of these is not true? The nail is ferromagnetic. The nail becomes a north pole or a south pole. The nail exerts an attractive force on the magnet. The nail has a north pole and a south pole. The magnet exe..
A person is riding a bicycle, and its wheels have an angular velocity of 18.5 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is 17.5 revolutions. (a) How much time..
A hockey player hits a punk so that it comes to rest in 9s after sliding 30 m on the ice. Determine (a) the initial velocity of the punk, (b) the coefficient of friction between the punk and the ice.
The wire is located in a uniform magnetic field B directed perpendicular to the wire. Compute the magnitude of B when the force on the wire due to B is 0.200 N.
A 2.50-kg stone is dropped from rest at a height of 3.75 m. What impulse does gravity impart to this stone from the instant
What is the difference between mass and weight? On earth, what is the weight of a 1 kg mass?
What is the speed and total energy of an electron whose kinetic energy is 3 times its rest energy
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