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During an adiabatic process, the temperature of 3.92 moles of a monatomic ideal gas drops from 485 oC to 205 oC. For this gas, find (a) the work done by the system, (b) the net change in internal energy of the system, and (c) the net heat absorbed by the system.
You have a 6kg cart that has a spring attached to the front. You hold the cart so the spring is compressed against the wall. What is the total work done by the spring on the cart
A construction worker accidentally drops a brick from a high scaffold. What is the velocity of the brick after 4.0 s
About once every 30 minutes, a geyser known as Old Faceful projects water 18.0 m straight up into the air. Use g = 9.80 m/s2, find the speed of the water when it emerges from the ground
a beam of light with red and blue components of wavelengths 670 nm and 425 nm respectively strikes a slab of fused
The air passes through a large-diameter glass tube, then through a small-diameter tube, and nally through a large-diameter tube again. Find the velocity of the air in the small-diameter tube
Decreasing the resistance of an ammeter's shunt resistance a.) allows it to measure a larger current at full scale deflection. b.) converts it to a voltmeter. c.) allows it to measure a smaller current at full scale deflection. d.) enables more curre..
A speedboat moving at 35.0 m/s approaches a no-wake buoy marker 100 m ahead. How long does it take the boat to reach the buoy
A generator at one end of a very long string creates a wave
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
A man stands on the roof of a building of height 16.8m and throws a rock with a velocity of magnitude 31.8m/s, Calculate the magnitude of the velocity of the rock just before it strikes the ground
Describe what the Zeroth Law of Thermodynamics is in your own words. Also, draw a scenario that verifies the Law is accurate. State the other Laws of Thermodynamics
A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 37 degrees above the horizontal. If the mass of the box and the books is 40 kg, what is the normal force on box? a. 332 N b. 312 N c. 392 N d. 292 N
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