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An ideal gas expands isothermally at 64.0°C in a reversible process, and its entropy increases s J/K. What amount of heat is transferred to the gas in the process?
For the house in Question 3, calculate the infiltration heat losses in Btu/h when ?T = 40°F. What percentage of the heat loss is because of infiltration
A computer is reading data from a rotating CD-ROM. At a point that is 0.0256 m from the center of the disk, What is the centripetal acceleration at a point that is 0.0779 m from the center of the disc
A rocket fires two engines simultaneously. One produces a thrust of 700N directly forward while the other gives a thrust of 472N at an angle 38.8? Above the forward direction. Find the magnitude of the resultant force which these engines exert on the..
Two capacitors, C1 = 5.00 µF and C2 =12.0 µF, are connected inparallel and the resulting combination is connected to a 9.00 Vbattery. What is the equivalent capacitance of the combination?
A series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R = 14 ? and L = 3.6 mH, find the frequency at which the current is one-half
A 751 kilogram satellite is in a circular orbit about the Earth at a height above the Earth equal to the Earth's mean radius. Determine what is the gravitational force acting on it
A damped mass-spring system oscillates at 165 Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 7.0 cm and the energy of the oscillating system is then 70 J.
The motion of a very massive object is hardly affected by what would seem to be a substantial force. Consider a supertanker, with a mass of 2.7×10^8 kg. find what will be the magnitude of its acceleration
An AC source has an output rms voltage of 99.5 V at a frequency of 43.0 Hz. The source is connected across a 27.0-mH inductor.
A tennis ball gun launches tennis balls at 17.6 m/s . It's pointed straight up and launches one ball; 2.0 s later, What is the second balls' velocity at that point
A 140-W lightbulb connected to a 120-V source experiences a voltage surge that produces 135 V for a moment. By what percentage does its power output increase
An ice chest at a beach party contains 11cans of soda at 6°C. Each can of soda has a mass of 0.34 kg and a specific heat capacity of 3900 J/(kg·°C).Someone adds a 6.3 kg watermelon at25°C to the chest
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