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Calculate the change in internal energy when 1 mole of liquid water at 1atm and 100 degrees C is evaporated to water vapor at the same pressure and temperature, given that the molar volumes of the liquid and the vapor at these conditions are 18.8 cm^3/mol and 3.02*10^4 18.8 cm^3/mol, and that the latent heat of evaporation is 4.06*10^4 J/mol
A space traveler weighs 130 pounds on earth. What would the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth.
A cylinder like an oil drum is being rolled across a level floor by a force ~F applied horizontally to the top. find the force of friction between the cylinder and the floor
For many years Colonel John P. Stapp, USAF, held the world's land speed record. He participated in studying whether a jet pilot could survive emergency ejection.
A 0.49 kg block attached to a spring with force constant 150 N/m is free to move on a frictionless, At that instant, find the force on the block
A woman on a rocket traveling at 0.72c (with respect to Earth) observes a meteor come from in front of her and pass her at 0.72c. How fast is the meteor moving with respect to Earth
On a frozen pond, a 7 kg sled is given a kick that imparts to it an initial speed of v0 = 2.3 m/s. find the distance the sled moves before coming to rest
A positively charged oil drop of mass 2.4 10-15 kg is placed in the region of a uniform electric field between two oppositely charged, What is the magnitude of the charge on the drop
An LCR circuit consists of a 100 ohm resistor, a 10F capacitor, and a 5 mH inductor, and is driven by an acemf source whose frequency can be varied.
A particle with a charge of -60.0 nC is placed at the center of a nonconducting spherical shell of inner radius 19 cm and outer radius 31.0 cm. What is the total amount of charge on the nonconducting shell
A soccer player kicks a rock horizontally off a 34.0-m-high cliff into a pool of water. what was the initial speed given to the rock
In gaseous sodium chloride, chloride ions have one more electron than they have protons, What is the magnitude of the electrostatic force the molecule exerts on it
A thin, uniform rod has length L and mass M . Calculate the magnitude of the gravitational force the rod exerts on a particle with mass m
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