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Figure represents a simplified PV diagram of the Sargent ideal-gas cycle. All processes are quasi-static, and the heat capacities are constant. Prove that the thermal efficiency of an engine performing this cycle isη = 1- γ((T4-T1)/(T3-T2)).
Two trains on separate tracks move toward each other. Train 1 has a speed of 129 km/h; train 2 a speed of 75.0 km/h. What is the frequency heard by the engineer on train 1
1. an ice skater moves without friction on a frozen pond. while traveling at 8.0 ms she finds that it takes 17 s to
A conducting bar of length script l moves to the right on two frictionless rails, Explain the origin of the energy being delivered to the resistor
What structural feature distinguishes an aromatic hydrocarbon from an aliphatic hydrocarbon? Give the general molecular formulas for alkenes, cycloalkanes, alkenes, and alkynes. Write the structural formula for one example of each of these classes..
A 4.0-kg ball with a velocity of 4.0 m/s in the +x-direction collides head-on elastically with a stationary 2.0-kg ball. What are the velocities of the balls after the collision?
The Potential in a region of space is given by V = (100 V)[(x2 - y2)/z2], where x, y, and z are in meters. Find the Electric Field vector at a point (x, y, z) = (1.0 m, 2.0 m, 3.0 m)
A particle with a charge of -60.0 nC is placed at the center of anon conducting spherical shell of inner radius 20.0 cm and outer radius 27.0 cm. The spherical shell carries charge by a uniform density of -2.95 µC/m3. A proton moves in acicular orbit..
The figure below shows a resistor of resistance R = 6.16Ω connected to an ideal battery of emf = 14.9 V bymeans of two copper wires. Each wire has length 23.2 cm and radius3.40 mm. In dealing with such circuits in this chapter, wegenerally neglect..
A golf ball is dropped from rest from a height of 9.90 m. It hits the pavement, then bounces back up, rising just 5.30 m before falling back down again. A boy then catches the ball when it is 1.16 m above the pavement. Ignoring air resistance, comput..
A sled and rider with with a combined mass of 50kg are at the top of a hil a height of 14m above the level ground below, After the push, what is the total mechanical energy of the sled and rider at the top of the hill
a student makes a simple ac generator by using a single square wire loop 14 cm on a side. the loop is then rotated at a
A block of mass 3.1 kilogram rests on a frictionless inclined plane, held in place by a string of mass 0.023 kilogram. Determine how long does it take a wave to travel from one end of the string to the other
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