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A heat engine does 393.9 J of work per cycle while exhausting 582.64 J of heat to the cold reservior. If a Carnot engine operating with a hot reservior temperature of 372.7 oC has the same efficiency, what is the cold reservior temperature in degrees Celsius?
A 1.0 mW HeNe laser with wavelenght 633 nm is shown on a metal. The photocurrent is reduced to zero with stopping potential of 0.50 volts, What is the work function of the metal and what is the cutoff wavelength
Four particles, one at each of the four corners of a square with 3m-long edges, are connected by massless rods. The masses of the particles are m1 = m3 = 4kg and m2 = m4 = 5kg. Determine the moment of inertia of the system about the z axis.
A wave has a known propagation velocity of 4.32 m/s and a wavelength of 0.388 meters. What is the position equation of the wave
Two people, one of mass 75kg and the other of mass 60kg, sit in a rowboat of mass 80 kg. With the boat initially at rest, two people, who have been sitting at opposite ends of the boat 3.2 m apart from each other, now exchange seats. How far and i..
You make a capacitor by cutting the 15.5 cm--diameter bottoms out of two aluminum pie plates, separating them by 3.40 mm, What's the capacitance of your capacitor
Find out the maximum distance d (along the ladder) that the monkey can climb up the ladder before rope breaks.
A 200 g ball on a 55-cm-long string is swung in a vertical circle about a point 200 cm above the floor. What was the tension in the string an instant
A plane leaves the airport in Galisto and flies 159km 68 degrees east of north and after that changes direction to fly 242km at 48 degrees south of east, after which it makes an immediate emergency landing in a pasture.
At the instant before a particle collision at the Belle Experiment, an electron is moving north with a total energy of 8 GeV, find the speed of the electron as seen by the positron
A butterfly moves with a speed of v = 12.0 m/s east of North. The y-component of its velocity is 8.00 m/s. The angle between the direction of its motion and the x-axis.
On a frictionless, horizontal air table, puck A (with mass 0.250 ) is moving toward puck B (with mass 0.350 ), Calculate the change in the total kinetic energy of the system that occurs during the collision
A 130- baseball, moving along the axis with speed 35 , strikes a fence at a 45 angle and rebounds along axis with unchanged speed Give the - and - components of its change in momentum.
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