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An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 7600 gram and an area of 5.20 cm2 and is free to slide up and down, keeping the pressure of the gas constant. Calculate how much work is done on the gas as the temperature of 0.180 mol of the gas is raised from 16.5°C to 330°C?
A 79 kg person sits on a 3.7 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.3 cm in diameter. Find out the pressure exerted on the floor by each leg of the chair, suppose the weight is evenly distributed.
The fan blades on a jet engine make one thousand revolutions in a time of 81.8 ms. What is the angular frequency of the blades
A hydrogen atom in the n = 2 state absorbs a photon with wavelength 410nm, Find the change in the atom's potential energy
four point charges have the same magnitude of 2.59 x 10-12 c and are fixed to the corners of a square that is 4.40 cm
A proton a neutron and an alfa particle accelerated through the same potential difference enter a region of uniform magnetic field moving at right angles to B.(a) Compare their kinetic energies.(b) if the radius of the proton’s circular path is 10 cm..
A circuit consists of a resistor in series with an inductor and an ac generator that supplies a voltage of 115 V. Find the average power delivered in the circuit
A baseball is thrown at an angle of 27 degrees relative to the ground at a speed of 20.9m/s. The ball is caught 36.0231m from the thrower. The acceleration due to gravity is 9.81m/s square. Explain how long is it in the air ?
A man on a bridge throws a rock straight down toward the water. The rock has just been released. Describe a free body diagram for the object of interest
The surface waters of tropical oceans are at a temperature of 28?C while water at a depth of 1200 m is at 3?C. What is the maximum efficiency possible of such a heat engine
The electric potential difference between two infinite, parallelmetal plates is V. If the plates are separated by adistance L = 3.7 mm and the electric field between the plates is E = 244 V/m, what is V?
A wooden rod of negligible mass and length 82.2 is pivoted about a horizontal axis through its center. A white rat with mass 0.440 clings to one end of the stick, and the mouse with mass 0.220 clings to the other end. The system is released from rest..
The distance between two probes is 1.8 X 10-2m. The potential difference between the probes is 1.11V. Determine the electric field along the line defined by the probes.
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