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In an engine, an almost ideal gas is compressed adiabatically tohalf its volume. In doing so,1380 J of work is done on the gas.
(a) How much heat flows into or out of the gas?
J
(b) What is the change in internal energy of the gas?
(c) Does its temperature rise or fall?
fall
rise
Three polarizing filters are stacked with the polarizing axes of the second and third at 30 and 75.0, find the intensity of light emerging from each filter
Consider a system of 12 particles with two energy levels. Plot the number of microstates corresponding to each value of the total energy if (a) the particles are indistinguishable and (b) if the particles are distinguishable.
A highway curve of radius 560m is designed for traffic moving at a speed of 94.0km/hr. What is the correct banking angle of the road
A solid, uniform sphere starts from rest and is rolled down a 50m high hill. the first half of the hill is rough, what is the translational speed of the sphere at the bottom of the hill
A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the bottom of its path it is moving at a speed v = 2.2 m/s and the tension in the rope is T = 19.7 N. 5) Return to the original ..
A flying squid is able to "jump" off the surface of the areaby taking water into its body cavity and then ejecting the watervertically downward. how high in the air will the squid rise
A person has a near point of 0.15m and a far point of 0.8m a.) what is the focal length (include the sign) of a corrective lens that will allow that person to form an image of an object 100 meters in front of his eye on the retina? b.) what is the cl..
A 200 g calorimeter contain 500 g of water at 21 degree Celsius. A 100g of ice at -20 degree Celsius is placed into the calorimeter. find the specific heat of the material of the calorimeter
What was the initial negative charge on one of the spheres, and what was the initial positive charge on the other?(Hint: Use charge conservation and solve for one of the initial charges. You will end up with a quadratic equation. The solutions giv..
As a hiker in Glacier National Park, you are looking for a way to keep the bears from getting at your supply of food. What will be the acceleration of the bags when you let go of the anchor bag
A key falls from a bridge that is 46 m above the water. It falls directly into a model boat, moving with constant velocity , that is 15 m from the point of impact when the key is released. What is the speed of the boat?
At the local grocery store, you push a 14.7-kg shopping cart. You stop for a moment to add a bag of dog food to your cart. With a force of 12.0 N, you now accelerate the cart from rest through a distance of 2.14 m in 3.00 s. What was the mass of the ..
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