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Calculate the work input to the process.A piston-cylinder device contains air (2kg) at 100kPa and 300K. The air is compressed slowly and frictionless by following a polytropic process with a polytropic exponent of 1.4. The temperature reaches at 360K at the final state.
Identical objects are located at the same distance from two spherical mirrors, A and B. Find the ratio fA/fB of the focal lengths of the mirrors
You have an open tube that is 1.3m long. what is the fundamental frequency of the wavelength of the tube
Suppose that the voltage of the battery in the circuit is 3.3 V, the magnitude of the magnetic field (directed perpendicularly into the plane of the screen) is 0.66 T, and the length of the rod between the rails is 0.23 m. Assuming that the rails are..
He has a mass of 74.0 kg and his center of gravity is located at a horizontal distance of d1 = 0.730 m from his palms and d2 = 1.10 m from his feet. calculate the forces exerted by the floor on his feet
A uniform chain with a mass of 1.38 kg per meter of length is coiled on a table. One end is pulled upward at a constant rate of 0.54 m/s. how much force must be applied to the end being raised
A water pump lifts water from a well depth of 30 to the ground level. How much work does the pump do by moving 2 m^3 of water
A 1.55--tall fisherman stands at the edge of a lake, being watched by a suspicious trout who is 3.50 from the fisherman in the horizontal direction, At what angle from the vertical does the fish see the top of the fisherman's head
Two blocks are connected by a cord passing over a small (frictionless) pulley as shown below. The angle ? = 30 degrees, what is the mass, M, of the large block
A light bulb has a resistance of 270 . It is connected to a standard wall socket (120 V rms, 60.0 Hz). Determine the rms current in the bulb
A small coil has a cross section of 3.5 cm2 and consists of 12 turns of wire. If the loop carries a current of 140 mA, what is the torque required to hold the loop
A 237 g mass is connected to a light spring of force constant 3 N/m that is free to oscillate on a horizontal, frictionless track. What is the maximum acceleration of the mass
A free electron and a free proton are exactly 0.70cm apart, Find the magnitude of the acceleration of the proton and Find the magnitude of the acceleration of the electron
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