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(a) How much heat flows from 1.00 kg of water at 36.0°C when it is placed in contact with 1.00 kg of 22°C water in reaching equilibrium?
J
(b) What is the change in entropy due to this heat transfer?
J/K
(c) How much work is made unavailable, taking the lowest temperature to be 22°C?
Water flows over a section of Niagara Falls at a rate of 1.07 × 106 kg/s and falls 40 m, How many 70 W bulbs can be lite with this power
What is the direction of this velocity. What is the magnitude of the velocity.
At what temperature is the speed of sound in helium (ideal gas, = 1.67, atomic mass = 4.003 u) the same as its speed in oxygen gas at 11.0 oC? The speed of sound in oxygen at 11.0°C is 322 m/s.
A boy in a wagon is moving at 3.1 m/s east when another boy begins pulling on the wagon in the direction opposite to its motion at 1.25 m/s^2. (a) How long does it take to give the wagon a velocity of 7.4 m/s west? (b) How far from the starting po..
A device known as Atwood\'s machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. Assume the rope and pulley are massless and there is no friction in the pulley.
A solid cylinder of mass 148.7 kg and diameter 0.72m has mounted to rotate around its axis, the cylinder has an initial angular velocity of wi, and the mass is 26m below the cylinder
The client also says that he does not remember any Section 1231 net losses on the prior-year returns. Illustrate what should Harold do? Why?
A particle undergoes two displacements, measured from the positive x-axis, with counter- clockwise positive, find the magnitude of the second displacement in meters
The voltage across a resistor is equal to the product of the current through the resistor and the resistance of the resistor, What is the potential difference of the battery
A tank is in the shape of an inverted cone, having height h = 2.50 m and base radius r = 0.750 m. If water is poured into the tank at a rate of 15 L/s, how long would it take to fill the tank.
A cardinal (Richmondena cardinalis) of mass 3.60×10-2 kg and a baseball of mass 0.140 kg have the same kinetic energy. What is the ratio of cardinal's magnitude p_c of momentum to the magnitude p_b of the baseball's momentum.
A 130g block slides back and forth on a frictionless surface between two springs, Find the maximum compression of the right-hand spring
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