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Initially at a temperature of 87.0?C, 0.300m3 of air expands at a constant gauge pressure of 1.39×105Pa to a volume of 1.47m3 and then expands further adiabatically to a final volume of 2.35m3and a final gauge pressure of 2.32×104Pa .
Compute the total work done by the air. CV for air is 20.8.
A 34.7 m long aluminum wire at a temperature of 24.3 oC has a radius of 0.295 mm. determine the current in the wire
An engine absorbs 1.67 kJ from a hot reservoir at 277°C and expels 1.18 kJ to a cold reservoir at 27°C in each cycle, How much work is done by the engine in each cycle
A submarine is located 2.000 km below the surface of the water. What is the absolute pressure of the seawater on the outside of the submarine
Five kilograms of liquid carbon tetrachloride undergo a mechanically reversible, isobaric change of state at 1 bar during which the temperature change from 0 C to 20 C.
Apollo 14 astronaut Alan B. Shepard Jr. used an improvised six-iron to strike two golf balls while on the Fra Mauro region of the moon's surface, What is the numeric value of the ratio
A car with 68 -diameter tires accelerates uniformly from rest to 20 in 10. How many times does each tire rotate
A current of 0.307 A through your chest can send your heart into fibrillation, ruining the normal rhythm of heartbeat and disrupting the flow of blood (and thus oxygen) to your brain. If that current persists for 2.90 min, how many conduction elec..
In a purely inductive AC circuit, L=25.0 mH and the rms voltage is 150 V. Calculate the inductive reactance and the rms current in the circuit
An unlikely weapon was once proposed which had all of the people in China to jump up and down simultaneously. Calculate what the speed of the Earth and the people would be after the collision
A park merry-go-round consists of a 220 kg circular wooden platform 4.10 m in diameter. What is the kinetic energy of the merry-go-round
A prospector finds a solid rock composed of granite (? = 2650 kg/m3) and gold. The volume of the rock is 3.40 10-4 m3 and its mass is 3.87 kg. What percentage of the rock is gold by mass
ow does this change in amplitude affect the wave's frequency.
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