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The motor in a refrigerator has power P. If the freezing compartment is at temperature TL and the outside air is at temperature TH (both temperatures measured in kelvin), and assuming the efficiency of a Carnot refrigerator, what is the maximum amount of energy that can be extracted as heat from the freezing compartment in a time t? State your answer in terms of the given variables.
Calculate the acceleration of a skier heading down a 10.0 deg, slope, assuming the coefficient of friction for waxed wood on wet snow
1 a rigid rotorwith moment of inertia ihas energy levelsnbspej jj 1macrh22i nbspwhere j 0 12 . . .andthere are 2j 1
consider the motion of an apple and the earth as the apple falls to the ground. if the apple begins at the top of a
A 54.5-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.646 and 0.321, respectively. What horizontal pushing force is required to just start the crate moving
An electric dipole consisting of charges of magnitude 2.10 nC separated by 7.60 µm is in an electric field of strength1150 N/C. What is the magnitude of the electricdipole moment?
A 32 cm long solenoid, 1.8 cm in diameter, is to produce a 0.24 T magnetic field at its center. If the maximum current is 5.7 A, how many turns must the solenoid have
if the radius of a blood vessel is reduced by cholesterol deposits to 90 of its original value flow will decrease. by
The flywheel of an engine has a moment of inertia 2.40- {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
A skier approaches the base of an icy, frictionless hill with a speed of 14.4m/s. Find the acceleration of this skier when she is going up the hill
A meter stick lies on the bottom of a 100 cm long tank with its zero mark against the left edge. You look into the tank at a 30 angle, with your line of sight just grazing the upper left edge of the tank.
Consider the motion of a muon as it moves through the Earth's atmosphere. After a time ? = 2.20 multiply.gif 10-6 s, What is the speed of the muon
Dave needs to get groceries from the store, which is a distance D = 1.1km east of his house. How long in seconds does it take dave to reach the store
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