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During a 10 minute period, 30 grams of steam condenses into water. How much energy flowed out of the water-steam mixture? (Signs Matter!)Assuming that all of the energy flowing out of the water-steam mixture goes into the water-ice mixture, how many grams of ice melts? What is the change in the entropy of the water-steam mixture at 100C? (Signs Matter!)What is the change in the entropy of the water-ice mixture at 0C? (Signs Matter!) (Verify to yourself that the 2nd law of thermodynamics is satisfied)
A 85.6-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 27.0kg, Find the maximum tension in the chain
A high-performance sports car can go from 0 to 100 mph in 7.8 s. (Assume the car travels in the positive direction. What is the car's average acceleration
A straight horizontal wire carries a current of 6.50 μA. An electron is moving above the wire the direction parallel to it and in the same direction as the conventional current in the wire.
When a 6.0 µF capacitor is connected to a generator whose rms output is 30 V, What is the frequency of the source
A 4.22 box sits at rest at the bottom of a ramp that is 7.74 long and that is inclined at 40.0 above the horizontal. The coefficient of kinetic friction is 0.40, and the coefficient of static friction is 0.50.
so hydrogen atoms have a thermal velocity of about 1000 m/s. How does the energy stored in the magnetic field compare with the kinetic energy in a given volume of space.
Three charged particles are placed at corners of an equilateral triangle of side 1.20m. The charges are + 7.0 mc,-8.0 mc and -6.0 mc compute the magnitude and direction of the net force on each due to the other two.
A ball with a horizontal speed of 1.25m/s rolls off a bench 1.00m/s above the floor. how long does it take to reach the floor.How far from a point on the floor directly below the edge of the bench would the ball land.
A 4.0-W resistor has a current of 3.0 A in it for 5.0 min. How many electrons pass through the resistor
A person with a mass of 103 kg is standing on a scale that reads weight in newtons inside of an elevator. If the elevator accelerates upward at 3.2 m/s2, what does the scale read.
A 0.287-kg particle undergoes simple harmonic motion along the horizontal x-axis between the points x1= -0.269 m and x2= 0.473 m. find the total mechanical energy of particle
If you weigh 680 on the earth, what would you weigh when at surface of a neutron star that has the same mass as our sun and a diameter of 20km.
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