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A freezer is used to freeze 3.0 Lof water completely into ice. The water and the freezer remain at aconstant temperature of T = 0°C.
(a) Determine the change in the entropy of the water.
J/K
(b) Determine the change in the entropy of the freezer.
A 0.015 kgrecord with a radius of 15 cm rotates with an angular speed of 33 1/3 rpm. What is the fly's angular momentum
A copy of The History of the Decline and Fall of the Roman Empire by Edward Gibbon lies exactly in the middle of an otherwise empty 6.1m long bookshelf in Robarts Library. What is the speed at which the librarian raised the shelf
An electron beam is deflected upward through 2.5 mm while traveling in a vacuum between two deflection plates 12.4 mm apart, What is the kinetic energy of each electron
A 67? resistor, an 9.0?F capacitor, and a 36mHinductor are connected in series in an ac circuit. Calculate the impedance for a source frequency of 300 Hz
compute the coefficient of kinetic friction between block A and the tabletop.
A bullet is fired into a block of wood sitting on a block if ice. The bullet has an initail velocity of 500m/s and a mass of 0.005 kg. What is the magnitude of the impulse that acts on the block of wood
An air conditioner connected to a 150 V rms ac line is equivalent to a 9.8 resistance and a 1.97 inductive reactance in series. What is the impedence of the air conditioner
An archer's bow is drawn at its midpoint until the tension in the string is 0.835 times the force exerted by the archer. What is the angle between the two halves of the string
A coin with a diameter of 2.30 cm is dropped on edge onto a horizontal surface. The coin starts out with an initial angular speed of 15.5 rad/s and rolls in a straight line without slipping. how far does the coin roll before coming to rest
A charge of 6.22 mC is placed at each corner of a square 0.170 m on a side. Determine the magnitude of the force on each side
One hundred turns of insulated copper wire are wrapped around an iron core of cross-sectional area 0.100 m2. find the average current in amperes that flows through the resistor
1 the scientific method is used by scientists to understand the natural laws that the universe obeys. scientists are
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