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A gas is to be expanded from initial state i to final state f along either path 1 or path 2 on a p-V diagram. Path 1 consists of three steps: an isothermal expansion (work is 39 J in magnitude), an adiabatic expansion (work is 20 J in magnitude), and another isothermal expansion (work is 27 J in magnitude). Path 2 consists of two steps: a pressure reduction at constant volume and an expansion at constant pressure. What is the change in the internal energy of the gas along path 2?
The electric field on the x-axis due to a point charge fixed at the origin is given by E=(b/x^2)i, Find the magnitude and sign of the point charge
A circular armature coil is used in a motor with a uniform magnetic field of 4.10 T. The coil has a diameter 60 cm, a resistance of 50 ?, how much current is flowing throught the motor
You bike at 10.5 m/s directly away from your neighbor's trumpet sound and toward the sound of another neighbor's trombone, What frequency is the trombonist producing
A uniform electric field points midway between the positive x and y axies. Its strength is 100Volts/m. Find the location of the point where the total electrid field is zero
A soccer player kicks the ball toward a goal that is 21.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
A 1.6 mL syringe has an inner diameter of 5.8 mm, a needle inner diameter of 0.25 mm, and a plunger pad diameter (where you place your finger) of 1.0 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100.
Four point charges have the same magnitude of 2.3 × 10-12 C and are fixed to the corners of a square that is 3.8 cm on a side, Determine the magnitude of the net electric field that exists at the center of the square
The two blocks, m1 = 1.40 kg and m2 = 5, are connected by a mass less rope that passes over a pulley. The pulley is 12 cm in diameter and has a mass of 2.0 kg.
An object weighing 307 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 270 N. Immersed in oil, the object weighs 282 N. compute the density of the object.
A researcher uses a converging lens with focal length 310 mm to view a specimen. The lens is placed 130 cm from the specimen. Where will the image be located
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. what is the intensity of the light wave
Let all the three charges be placed at the center of a tetrahedron, composed of four triangular faces of equal area. Calculate the net flux through each surface
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