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Four moles of ideal gas at 0C and atmospheric pressure undergoes isothermal expansion where its volume is doubled.
1) Compute work the gas does.
2) Calculate entropy change in the gas.
3) Is heat added to or taken away from the gas? How much?
4) Compute the change in the internal energy of the gas.
a 300g ball is tied to a string. it is pulled to an angle of 4.00 degrees and released to swing as a pendulum. a
Suppose a man's scalp hair grows at a rate of .31 mm per day. What is this growth rate in feet per week
A 38.0-kg child swings in a swing supported by two chains, each 2.90 m long. The tension in each chain at the lowest point is 418 N. Find the child's speed at the lowest point
A cyclist, traveling at a constant speed, covers a distance of 6860 m in a time period of 34.5 minutes. Calculate the power the cyclist must provide in overcoming that force
a 4.6kg sphere made of metal whose density is 3800kg/m^3, is suspended by a cord. What fraction of the volume of the sphere is submerged
An electron follows a helical path in a uniform magnetic field of magnitude 0.501 T. Calculate the electron speed
A wire 25.1 m long and 6.00 mm in diameter has a resistance of 15.0 m. A potential difference of 27.0 V is applied between the ends. Calculate the resistivity of the wire material
A 116 kg chesterfield is pushed up a frictionless ramp at the constant speed by a delivery person. If the ramp is inclined at 25.80° to horizontal. What is the magnitude of the normal force that is exerted on the chesterfield by the ramp.
The distance between deer B and C is 92 m. What is distance between deer A and C.
A 0.013 kilogram ball is shot from the plunger of a pinball machine. Because of a centripetal force of 0.027 Newton, Calculate what is the speed of the ball
two small metallic spheres each of mass 0.20 g are suspended as pendulums by light strings from a common point as shown
air at 300 k and 100 kpa flows into a hair drier having electrical work input heating coil and fan motor of 1500 w.
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