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Liquid water at 20 Degrees C has a constant pressure mass specific heat of Cp=4181.8. Suppose that 1kg of liquid water is in a fixed temperature and fixed pressure reservoir and is in equilibrium with its surroundings at a fixed temperature of 20 Degrees C.
a.) What is the standard deviation (in joules) of the enthalpy fluctuations for this mass of water?
b.) By how many bits of information does thie entropy of this system change when the enthalpy changes by one standard deviation during a fluctuation caused by thermal contact between the system and its environment?
In a television set the power needed to operate the picture tube comes from the secondary of a transformer. Find the turns ratio Ns/Np of the transformer
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Venus has a mass of 4.86x10^24 kg and a radius of 6.05x10^6 m. What is the acceleration due to gravity on Venus
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q1. a pipe open only at one end has a fundamental frequency of 241 hz. a second pipe initially identical to the first
question 1for a blackbody the frequency at which maximum energy is emitted is 3 x 1013 hz a. give a wavenumber for
An object has a kinetic energy of 267 J and a momentum of magnitude 21.7 kg•m/s. Find out the speed and the mass of the object.
Assuming frictionless conditions, a table has a hanging mass, m1, over a pulley at the left side and another hanging mass, If m1 = .45kg, & m2 = .3kg, & m3 = .25kg what is the new accelration of the system
The driver of a car (total mass 1250kg) traveling 144km/h slams on the brakes and brings the car to a stop in 40.0m. Calculate the force required to stop the car
What is the vertical force on the support closest to piano.
An iron casting containing a number of cavities weighs 6500.0 N in air and 3500.0 N in water. What is the volume of the cavities in the casting
A speedboat moves on a lake with initial velocity vector v1,x = 8.21 m/s and v1,y = -2.95 m/s, What are the components of the speedboat\'s final velocity, Find the speedboat's final speed
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