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A piston-cylinder contains 50 L of saturated liquid R-134a. The piston is frictionless, and has a mass and area resulting in an applied pressure of 600 kPa on the refrigerant. The refrigerant is now heated until its temperature rises to 70 °C. Compute the work (in kJ) done during this process.
A 2 ?C negative charge is attracted to a large, well-anchored, positive charge. How much kinetic energy does the negatively charged object gain
Gas is contained in a 9.00-L vessel at a temperature of 25.0°C and a pressure of 5.00 atm. Determine the number of moles of gas in the vessel
A proton accelerates from rest in a uniform electricfield of 670 N/C. At some later instant,its speed is 1.60 X106 m/s(nonrelativistic, because v is much less than the speed oflight). Find the acceleration of the proton.
An air-core solenoid with 80 turns is 10.64 cm long and has a diameter of 1.09 cm. How much energy is stored in its magnetic field when it carries a current of 0.44 A
A bedroom bureau with a mass of 40 kg, including drawers and clothing, rests on the horizontal floor. compute the static friction force on the bureau initially
A wheel spinning at 25 rev/s is slowed to a stop by a constant acceleration while turning 50rev. What is the magnitude of the constant acceleration
three capacitors each of capacitance 9 pf are connected in series.a what is the total capacitance of the combination?b
a crystal is mounted in a goniometer an apparatus that allows it to be turned around its axis. using x-rays of
A wedge of air is formed between two glass plates that are 9.0 cm long, with one edge touching, How far apart are the maxima for the reflected light with ? = 665 nm
An Earth satellite moves in a circular orbit610 km above the Earth's surface. The period of the motion is 96.7min. What is the magnitude of the centripetal acceleration of the satellite
Radio station WQED in Pittsburgh broadcasts at 89.3 MHz with a radiated power of 43.0 kW. What is the magnitude of the momentum of each photon?
An unknown metal alloy is being tested to discover its thermal properties to see if it is suitable for use as a component in an aircraft wing. The alloy is formed into a bar measuring 1 meter in length, and is then heated from its starting temp. o..
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