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Calculate the work done on a gas, the change in internal energy of the gas, the heat added to the gas, and the change in entropy of the gas when 1.12 moles of oxygen are compressed from a volume of 22.4L to 1.32 atm to a volume of 15.3L at a constant temperature. Treat oxygen as an ideal gas.
A stunt man whose mass is 70 kg swings from the end of a 4.40-m long rope along the arc of a vertical circle. Assuming that he starts from rest as rope is horizontal, find out the tensions in the rope that are required to make him follow his circu..
What mass (in grams) of steam at 100°C must be mixed with 377 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 58.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, ..
In what direction should the plane head in order to fly.
A block of mass M is held motionless on a frictionless inclined plane by means of a string attached to a vertical wall as shown in the diagram.what is the magnitude of the tension t in string.
The top plate is illuminated by monochromatic light of wavelength 544.1 nm. Determine number of dark parallel bands crossing the top plate (including the dark band at zero thickness along the edge of contact between the two plates).
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.
You have just built a house out in the country and it comes to your attention that you need to install a lightning rod. Being naturally curious you ask a hardware salesperson how lightning rods work and they accurately tell you.
Earth has a net charge that produces an electric field of approximately 150 N/C downward at its surface. (a) What is the magnitude and sign of the excess charge, noting the electric field of a conducting sphere is equivalent to a point charge at i..
Two charged bodies exert a force of .145N on each other. If they are now moved so they are one fourth as far apart, what force is exerted.
Two bicycle tires are set rolling with the equivalent initial speed of 5.0 m/s along a long, straight road, and distance each travels before its speed is reduced by half is measured. One tire is inflated to a pressure of 40 {rm psi} and goes the dist..
A small ball rolls horizontally off the edge of a tabletop of height h, How long is the ball in the air and What is its speed at the instant it leaves the table
A crate of mass 10.3 kg is pulled up a rough incline with an initial speed of 1.51m/s. The pulling force is 97N parallel to the incline, which makes an angle of 20.3 ° with horizontal. The coefficient of kinetic friction is 0.400, and the crate is..
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