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Describe what happens (in terms of the electron wave functions) when you bring together a bunch of copper atoms to form a solid block of copper, how this affects the allowed energy levels for copper, and how the electrons are filled in these energy levels. (Provide a qualitative description)
Coherent light with wavelength 400 nm passes through two very narrow slits that are separated by 0.200 mm, What is the width (in mm ) of the first-order bright fringe
A 30 microF capacitor and a 5.45 miliH inductor are connected in series with an open switch. What is the angular frequency of the charge oscillations in the capacitor
Jack was exposed to fast neutrons; he received a radiation dose of 160 rem on part of his hand, affecting 27.0 grams of tissue. The relative biological effectiveness (RBE) of these neutrons is 11.0.
An 8-m-long beam, weighing 14,700 N, is hinged to a wall and supported by a light rope that is attached 2.0 m from the free end of the beam. calculate the reaction force of the wall on the beam
A 220, 45.0-cm-diameter turntable rotates on frictionless bearings at 55. A 21.0 block sits at the center of the turntable. A compressed spring shoots block radically outward along a frictionless groove in the surface of the turntable.
On a cool morning, when the temperature is 15deg Celsius, you measure the pressure in your car tires to be 30 psi. After driving 20 mi on the freeway, temperature of your tires is 45 deg Celsius. What pressure will your tire gauge now show.
When a car is traveling at 25 m/s on level ground, the stopping distance is found to be 22m. What is the stopping distance now, as measured along the incline
Trucks with diesel engines have an efficience of about 40%. How much energy is requried to accelerate an 8,000kg truck from rest to 25 m/s
Create horizontal component of the pendulum
A ball thrown horizontally at 28 m/s travels a horizontal distance of 55 m before hitting the ground. From what height was the ball thrown
A merry-go-round at a playground is a circular platform that is mounted parallel to the ground and can rotate about an axis that is perpendicular to the platform at its center. What is the tangential speed of another child
What is the magnitude of the force per meter of length on a straight wire carrying an 6.20 current when perpendicular to a 0.60 uniform magnetic field?
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