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A 1.5-m3 insulated rigid tank contains 2.7 kg of carbon dioxide at 100 kPa. Now paddle-wheel work is done on the system until the pressure in the tank rises to 150 kPa. Determine the entropy change of carbon dioxide during this process. Assume constant specific heats.
A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H of 33.0 m above sea level, directed at an angle above the horizontal with an unknown speed v0. The projectile remains in..
For an RLC circuit with a resistance of 15 Kohms , a capacitance of 9 uF and an inductance of 31 H , what frequency is needed to minimize the impedance
In a reversible process called isothermal expansion, 457 J of heat are transferred into a quantity of gas in an engine from the hot reservoir, while 352 J of heat are transferred out to the cold reservoir. The temperature of the gas is 473 K at the b..
q1. a thunderstorm drops 6.0cm of rain on a city that covers an area of 33 km by 45 km. approximation the number of
As Tony the fisherman reels in a "big one", he turns the spool on his fishing reel at the rate of 3.5 complete revolutions every second. If the radius of the reel is 3.5cm , what is the linear speed of the fishing line as it is reeled in
A long horizontal hose of diameter 5.6 centimeter is connected to a faucet. At the other end, there is a nozzle of diameter 1 centimeter. Estimate the velocity of the water in the hose
q. a hot wheels track has a spring loaded launcher. a 100g car is pushed into the launcher which compresses the spring
A diffraction grating with 220 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle will the second order peak occur
A thermos contains 148 cm3 of coffee at 88.5°C. To cool the coffee, you drop two 12.2-gram ice cubes into the thermos. Estimate the final temperature of the coffee in degrees Celsius
A potter's wheel is a uniform solid disk of diameter 0.72m and a mass of 60kg. what is moment of inertia of the disk
find the magnitude of the electric field at a point midway between two charges 24.3 times 10-9 c and 75.5 times 10-9 c
Two ants race across a table 66 cm long. One travels at4.42 cm/s and the other at 3cm/s. When the first one crosses thefinish line, how far behind is the second one
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