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Pierre Curie discovered through experiment that the magnetization of a paramagnetic material is directly proportional to the strength of an external magnetic field and inversely proportional to the temperature in degrees Kelvin, with a constant proportionality of "C" called the Curie constant. Explain how the temperature can affect the magnetization on a microscopic level.
A 70 cm long, 0.8 mm diameter steel guitar string must be tightened to a tension of 2000 N by turning the tuning screws. By how much is the string stretched
A copper bar 2.5 m long has a circular cross section of radius 2 cm. One end is kept at 80 oC and the other end is kept at 0 oC. what is the thermal current in the copper bar
Find the steady-state temperature distribution in a solid cylinder of height 10 and radius 1 if the top and curved surface are held at 0 degrees and the base at 100 degrees.
A loudspeaker of mass 18.00 {rm kg} is suspended a distance of h = 1.20 {rm m} below the ceiling by two cables that make equal angles with the ceiling.
A certain freely falling object requires 1.85s to travel the last 31m before it hits the ground. From what height above the ground did it fall.
You are driving to the grocery store at 20 . You are 110 from an intersection when the traffic light turns red. Assume that your reaction time is 0.50 and that your car brakes with constant acceleration.
A gas expands while 502 J of energy is added to it as heat. The expanding gas does 422 J of work on its surroundings.
A disk of radius 3.00 cm has a uniformly distributed charge of Q = 5.20 uC, Calculate the electric field on the perpendicular axis of disk
Two ocean liners, each with a mass of 40,000 metric tons, are moving on parallel courses, 92 m apart. What is the magnitude of the acceleration of one of the liners toward the other due to their mutual gravitational attraction? Care for the ships as ..
A 6 cm diameter conducting loop with resistance of 10m\Omega is placed perpindicular to a variable magnetic field B. Determine the current and its direction induced in the loop
A person driving her car at 53.0 km/h approaches an intersection while the traffic light turns yellow. She knows that the yellow light lasts only 2s before turning to red.
Lead shielding. When gamma rays are incident on matter, Determine the "half-thickness" for lead, that is, the thickness of lead that would absorb half the incident gamma rays
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