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An ideal monatomic gas expands isothermally from 0.500 m3 to 1.25 m3 at a constant temperature of 630 K. If the initial pressure is 1.20 105 Pa.
(a) Find the work done on the gas.
J
(b) Find the thermal energy transfer Q.
(c) Find the change in the internal energy.
An object of mass 2.00 kg is oscillating freely on a vertical spring with a period of 0.540 s, Find the spring constant k and Find the unknown mass
A shotgun blast of 140 decibels occurs with humidity of 70% and temperature of 50 degrees. Illustrate what is the decibel level at 100 yards away? At 200 yards
A particle with a charge of 4.10nC is in a uniform electric field E? directed to the left, What work was done by the electric force and What is the magnitude of E
In soccer, a speed record was set for kicking a soccer ball at 43m/s. If the soccer player kicked the ball from ground level at an angle of 30° from the horizontal, what would be the flight time of the soccer ball? Assume that air resistance is ne..
The K-shell ionization energy of copper is 8979 eV. The L-shell ionization energy is 951 eV. Determine the wavelength of the Kα emission line of copper. What should be the minimum voltage be on an x-ray tube with a copper target in order to see the K..
You are driving to grocery store at 15 m/s .You is 140 m from an intersection when the traffic light turns red. Suppose that your reaction time is 0.70 s. and that your car brakes with constant acceleration. How far are you from the intersection whil..
A 70kg man walks out on a 10kg beam that rests on, but is not attached to, two supports. When beam just starts to tip, what is the force exerted on the beam by the right support.
The ball is in equilibrium, with the thread making an angle of 30.0o with respect to the vertical. The area of each plate is 0.01381 m2. What is the magnitude of the charge on each plate?
A large capacitance of 1.80 mF is needed for a certain application, Calculate the volume of Teflon alone in the capacitor
What is the maximum speed the car. A roller-coaster car speeds down a hill past point A where R1 = 8.0 m and then rolls up a hill past point B where R2 = 15.0 m.
The boom in the crane is free to pivot about point P and is supported by the cable that joins halfway along its 18 m length. the cable passes over a pulley and is anchored at the back of crane. the boom has a mass of 1700 kg, distributed evenly an..
At a distance of 1.41 m from a point charge of +2.74 ?C, how many of the additional equipotential surfaces are crossed by the time the electric field has shrunk to one-half of its initial value
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