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A Carnot engine operates with a cold reservoir temperature of 194 K and has an efficiency of 74.3%.
(a) What is the temperature of the hot reservoir?
(b) If the engine does 8.99×104 J of net work during each cycle, how much heat does it absorb from the hot reservoir during a cycle?
At what coordinate on the axis is the net electric field produced by particles equal to zero.
What is amplitude of the subsequent oscillations
A properly motivated kangaroo can jump over an object. what is the velocity of the kangaroo, just when it returns to the ground
find the initial velocity of the ball. An echo is heard in 3 sec after the emission of sound. If speed of sound in air is 342 m/s, what is the distance of the reflecting surface from the source.
A 250 kg weather rocket is loaded with 100kg of fuel and fired straight up. It accelerates upward at 32m/s2 for 34 s, then runs out of fuel. overlook any air resistance effects.
The radii of curvature of the surfaces of a thin converging meniscus lens are R1= 12.0 cm and R2 = 28.0 cm, Compute the position and size of the image of an object in the form of an arrow 5.00 mm tall, perpendicular to the lens axis
With a 1400 Mohm resistor across its terminals, the terminal voltage of a certain battery is 2.56V. Find the internal resistance of this battery
Two identical positive charges exert a repulsive force of 6.2 x10-9 N when separated by a distance of 3.6 x10-10 m. compute the charge of each.
A particle and its anti-particle are directed toward each other, each with rest energy 1000MeV. what must the speed of the particle and antiparticle be before the collision
A jogger on a circular track that has the radius of 0.150km runs a distance of 1.10km. What angular distance does the jogger covers in radians.
Illustrate what factors are likely to drive an organization's outlays for new capital? Illustrate what ratios would you use to help generate forecasts of these outlays?
Two waves have the exact same frequency, wavelength, and amplitude. They are both travelling in the +x direction, What is the phase difference between the two waves.
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