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Two containers contain the same gas at different temperatures and pressures, as indicated in the figure. The small container has a volume of 2 L, and the large container has a volume of 4 L. The two containers are then connected to each other using a thin tube, and the pressure and temperature in both containers are allowed to equalize. If the final temperature is 394 K, what is the final pressure? Assume that the connecting tube has negligible volume and mass.
If the blocks move determine the magnitude of their acceleration. If the blocks move determine the magnitude of the tension in the string. If the blocks do not move evaluate the sum of the magnitude of the forces of friction acting on the blocks...
What is the magnification of an astronomical telescope whose objective lens has a focal length of 77 cm, What is the overall length of the telescope when adjusted for a relaxed eye
Does current through a power supply increase when parallel bulbs are added? For example, if you have a circuit with one bulb and measure the current through the bulb to be 100 mA, what is the current through the power source when you add another b..
A race car is making a U-turn at constant speed. The coefficient of friction between the tires and the track is ?s = 1.79. what is the maximum speed at which the car can turn without sliding
An electron and a positron have masses of 9.11 10-31 kg. They collide and both vanish, with only electromagnetic radiation appearing after the collision. determine the energy of the electromagnetic radiation
Brain injuries generally occur any time the brain's acceleration reaches 100 g for even a short time, Consider a car running into a solid barrier
Suppose now that the apparatus is sealed, and the temperature rises to 40.0o C. Find the pressure inside the apparatus now
At a given instant an 56 mH inductor stored an energy of 89 µJ. What is the current in the inductor at this instant
A resting bat sends out ultrasonic waves at 50 kHz towards an insect that is approaching the bat with a speed of 20.0 m/s. What is the frequency of waves heard by the insect
A bucket filled with water has a mass of 48.00 kg and is attached to a rope that is wound around a 0.08 m radius cylinder. What torque does the bucket produce around the center of the cylinder.
The loaded cab of an elevator has a mass of 2.8 x 103 kg and moves 223 m up the shaft in 26 s at constant speed. Explain at what average rate does the force from the cable do work on the cab?
A certain lightbulb has a tungsten filament with a resistance of 20.5 ? when at 20.0°C and 136 ? when hot. Find the temperature of the hot filament
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