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Assume that the molar enthalpy of vaporization of water at 365.K is37.32kJ/mol. What percentage of the energy is used to do workagainst the atmosphere?
A 33.1-A current flows in a long straight wire. Find the strength of the resulting magnetic field at a distance of 65.7 cm from the wire
an 84-o resistor and a 74-o resistor are connected in series across a battery. the voltage across the 84-o resistor is
An electric dipole is formed from 1.0nC charges spaced 3.00 mm apart. What is the electric field strength at the given points
A pendulum swings through a maximum arc of 1 degree in 1 second. Calculate the time required for the two degree arc
Holding a glass of water full to a depth of 7.6 cm you step into an elevator. The elevator moves upward by constant acceleration, increasing its speed from zero to 1.9 m/s in 2.7 s. Find the change in pressure exerted on the bottom of the glass throu..
question what is the maximum possible coefficient of performance of a heat pump that brings energy from outdoors at
Small research nuclear reactors, like those mostly used in universities, are often submerged in concrete structures that look like swimming pools. The water serves as a moderator of the neutrons. They often have a blue glow in the swimming pool a..
At time t=0 a grinding wheel has an angular velocity of 22.0 rad/s. It has a constant angular acceleration of 32.0 rad/s^2 until a circuit breaker trips at time t = 2.00 s. What was the wheel's angular acceleration as it slowed down
A bullet of mass 7.7 g is fired into aninitially stationary block and comes to rest in the block. The block, of mass 1.21 kg, is subject to nohorizontal external forces during the collision with the bullet.After the collision, the block is observe..
the 23 kg cylinder in problem 15.97 is released from the position shown and falls onto a nonlinear spring. in terms of
A "merry-go-round" consists of a large flat disc that is free to rotate around its center; children can spin it, climb on it, and so on. Suppose that a particular merry-go-round has a radius of 2m and a rotating mass of 100 kg. What is the angular ve..
The mass of a newborn baby's brain has been found to increase by about 1.6 mg per minute. How long does it take for the brain's mass to increase by 0.0075kg
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