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In a Carnot cycle, the isothermal expansion of an ideal gas takes place at 400K and the isothermal compression at 300K. During the expansion 500 J of heat energy are transferred to the gas. Determine
a) the work performed by the gas during the cycle,
b) the heat transferred to the cooler,
c) efficiency of the cycle.
A Venturi meter measures fluid speed in a pipe. A constriction (of cross-sectional area A2) is put in a pipe of normal cross-sectional area A1 (A1 = 2A2). Find the ratio of the flow speeds
A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, What was the bear's average speed
What is the coefficient of static between crate and incline
What is magnitude of the greatest force
A glass window pane has an area of 3.0m^2 and a thickness of .60 cm. how much heat flows through the window per hour
A long, straight wire carries a current I1 = 3.5 A and is a distance h =15 cm from a rectangular current loop that carries a current I2 = 1.5 A. What is the force exerted by the current loop on the wire
Find the magnitude of the acceration of each block. what is the magnitude of the average force exerted on the ball by the wall.
A 7.00 kg bowling ball moves at 2.30m/s. How fast must a 2.60g Ping-Pong ball move so that the two balls have the same kinetic energy.
An astronaut travels at a speed of 0.93c from the Earth to a distant star that is 4.5e+17 m away. how old is she when she arrives at the star
If a heat engine is operating at a coefficient of performance of 2.50 and 3.00 J of heat is absorbed from the surroundings, determine the magnitude of heat expelled.
5 moles of an ideal gas, initially at P=105 Pa and V=3m3, expand adiabatically until the volume is doubled, How much work was done in the adiabatic step
Using the medium p model of the line, Find the current, voltage, reactive power, real power, & power factor at the sending end of the line.
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