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A gas in an engine undergoes a reversible cycle in which 152 Joules of work are done and 419 Joules of heat are supplied by the fuel. If this were a Carnot engine discharging to the atmosphere at 20 C, what would the high temperature be?
A heat engine operates between a high-temperature reservoir at 610K and a low-temperature reservoir at 320K. What is the net change in entropy as a result of this cycle?
A glass sheet 1.40 ?m (micrometer) thick is suspended in air. In reflected light, there are gaps in the visible spectrum at 538 nm and 615.00 nm.
A conducting rod whose length is ? = 1.60 m is placed on frictionless U-shaped metal rails that is connected to a lightbulb having a resistance of 4.00, At what rate is energy dissipated in the lightbulb
A major league pitcher can throw a baseball in excess of 42.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches the catcher who is 18 m away from the point of release.
A 3.80-kg cylindrical rod of length 2.00 m is suspended from a horizontal bar so it is free to swing about that end. What is the angular velocity of the rod immediately after the collision
calculate the total mechanical energy of the glider at any point in its motion. Calculate the maximum speed of glider.
A soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. What is the highest point in meters that the ball will reach
Rank the voltage across each cylinder. A baseball is seen to pass upward by a window 15 m above the street with a vertical speed of 18 m/s. imagine the ball was thrown from the street. What was it's initial speed.
The objective of a certain lens system is a double convex lens of 10.2 cm focal length; how far is the image from the eyepiece
An air parcel moves northwards and becomes entrained in a strong westerly flow, circling the entire globe in the space of a few weeks. State the name given to this high-level flow and define briefly how its structure is related to lateral and vert..
Describe an experiment to measure the molecular weight Mw and the second viral coefficient B of a macromolecules in solution using osmotic pressur. Show how you would plot the experimental data.
A 45.50 cm diameter disk rotates with a steady angular acceleration of 2.00 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.30° with the positive x-axis at..
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