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Two Carnot air conditioners, A and B, are removing heat from different rooms. The outside temperature is the same for both rooms, 315 K. The room serviced by unit A is kept at a temperature of 295 K, while the room serviced by unit B is kept at 298 K. The heat removed from either room is 4550 J. For both units, find (a), (b) the magnitude of the work required and (c), (d) the magnitude of the heat deposited outside for A and B conditioners respectively.
the frequency of oscillation of a certain lc circuit is 430 khz. at time t 0 plate a of the capacitor has maximum
A uniform disk with mass m = 9.27 kg and radius R = 1.42 m lies in the x-y plane and centered at the origin. What is the magnitude of the torque on the disk about the z axis due to F1
Vector A has a magnitude of 12.4 units and points due west. vector B points due north. What is the magnitude of B if A+B has a magnitude of 16.9 units
Three blocks, each having a mass of 1.21 kg, are connected by rigid rods of negligible mass and are supported by a frictionless surface. Forces F1 and F2, of magnitude 4.95 N and 11.6 N respectively, find The magnitude of the force applied by the r..
A 60 Ω rtesistor and a 40 Ω are connected inparallel to a 120 V power supply. What is the current through each resistor? What is the total resistance of the combination?
A runner of mass m = 37 kg and running at 2.8 m/s runs as shown and jumps on the rim of a playground merry-go-round which has a moment of inertia of 383 kg·m2 and a radius of 2 meters
The allowed energies of a simple atom are 0.0 eV, 4.5 eV, and 7.0 eV. What is the minimum speed the electron could have after the collision
Calculate the time it takes for the pulse to make one round trip.
State the number of images formed when an object is between two plane mirror placed in parallel.
An inductor has a 57.6-? reactance when connected to a 60.0-Hz source. The inductor is removed and then connected to a 49.0-Hz source that produces a 90.0-V rms voltage. What is the maximum current in the inductor?
Coherent light with wavelength 601 passes through two very narrow slits, and interference pattern is observed on a screen a distance of 3.00 from the slits.
An object's true weight is 135N. When it is completely submerged in water, what is the density of the object
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