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A black body has a mass of 3.76 kg, specific heat of 2000 J/(kg· C°), surface area of 0.214 m2, emissivity 1.00, and initial temperature 99° C. The surroundings are at a temperature of 18.6° C. Discover the drop in the black body's temperature through a 4.55-minute interval that would result from heat loss by radiation only.
A solid cube of mass 40kg and edge length .30mrests on a horizontal floor. A person then pushes on the upper edgeof the cube with a horizontal force of magnitude F. At what valueof F will the cube start to tip? Assume the frictional force from the fl..
When a Newton's ring aparatus is submerged in a liquid the diameterof the 8th dark ring decreases from 2.92 cm to 2.48 cm. What is the refractive index of the liquid?
Consider a Rankine cycle with water as the working fluid. Superheated vapor enters the turbine at 480°C and 100 bar and exits at 0.06 bar. determine the actual heat removed from the condenser
while crossing campus you get your directions mixed up. you start traveling 272 m east you then travel 103 m traveling
A physicist has developed a device that generates a beam of alpha particles (each of which is a helium nucleus, consisting of two protons, two neutrons, and no electrons).
The vertical displacement of particles in a string, where everything is measured in standard units, meters and seconds, What is the amplitude of the wave
Three charges are fixed in the x-y plane as follows: 1.4nC at the origin (0, 0); 2.4nC at (0.90m , 0); -2.1nC nC at (0, 1.25m)
A ring of diameter 11.00 cm is fixed in place and carries a charge of +5.00 µC uniformly spread over its circumference. What is the maximum speed it will reach
A 70 W light bulb operates on a potential difference of 75 V. Find the current in the bulb
A mass (10 kg) rests on a surface (ustatic=.6) connected by a cord to a hanging mass of 2 kg. What is the acceleration of the heavier mass
An x-ray tube is operated at 40600 V. find the minimum wavelength of the radiation emitted by this tube
The electron and proton of a hydrogen atom are separated (on the average) by a distance of approximately 5.3 x10-11 m. Find the magnitude of the electric force.
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