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Question: A heat engine does 264.08 J of work per cycle while exhausting 676.45 J of heat to the cold reservoir. If a Carnot engine operating with a hot reservoir temperature of 422.95 C has the same efficiency,
Question 1: What is the cold reservoir temperature in degrees Celsius?
Please explain your answer. I know substitution is involved so be sure to give a detailed explanation on that as well.
a woman can read the large print in a newspaper only when it is at a distance of 64 cm or more from her eyes. a is she
A skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier accelerates. Find the work done by the net external force acting on the skier
A steel guitar string 50 cm long has a mass density of 1.5 g/m and the tension is 500 N. Find the frequency of the second harmonic
a lasik vision correction system uses a laser that emits 10 ns-long pulses of light each with 2.5 mj of energy. the
A 45.5-g golf ball is driven from the tee with an initial speed of 47.3 m/s and rises to a height of 30.4 m. evaluate the kinetic energy of the ball at its highest point
A golf ball of mass 0.050 kg is at rest on the tee and has a velocity of 102 m/s immediately after being struck. what was the club velocity before the collision
Beats of frequency 4Hz are heard when a tuning fork of frequency 1000Hz and a vibrating wire are sounded together. What is frequency of the wire.
A velodrome track is banked so that a bicycle traveling at 79.6 km/h will have no tendency to slip to either side when traveling on the path that has a radius of curvature of 77.0 m. What is the banking angle?
A spherical water drop 2.6 ?m in diameter is suspended in calm air due to a downward-directed atmospheric electric field of magnitude E = 3800 N/C. How many excess electrons does it have
Consider a deformed nucleus (shape of an ellipsoid, long axis 10% longer than short axis). If you compute the electric potential at the first Bohr radius, what accuracy can you expect if you treat the nucleus as a point charge? Make reasonable es..
the magnifying power of an astronomical telescope in the normal adjustment poition is 20.if the lenght of the telescope
A block of mass m=0.20 kg is attached to a spring with force constatnt k=12.0 N/cm. Determine the decrement of the motion
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