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An ideal gas is in contact with a heat reservoir so that it remains at constant temperature. A 0.6 kg mass placed on the piston causes the piston to drop by 14.0 cm. How much heat (in J) flows from the ideal gas to the reservoir?
A NASA satellite has just observed an asteroid that is on a collision course with the Earth. With what speed will it hit the Earth's surface
Hoover Dam on the Colorado River is the highest dam in the United States at 221 m, with an output of 1300 MW. Calculate the power in this flow
a rigid structure consisting of a circular hoop of radius R and mass m, and a square made of four thin bars, each of length R and mass m. What is its angular momentum about that axis
A man in search of his dog drives first 10mi northeast, then 54mi straight south, and finally 6mi in a direction 30° north of west. What are the magnitude and direction of his resultant displacement.
A ball is thrown horizontally from the top of a building 19.0 m hight and lands 64.7 m from of the building, With what initial speed was the ball thrown
Analog voltmeter A has an equivalent resistance of 2.40 x 105 ? and a full-scale voltage of 50.0 V. What is its full-scale voltage
A 1050kg car carrying four 78kg people travels over a rough "washboard" dirt road with corrugations 4m apart which causes car to bounce on its spring suspension.
The distance traveled is dependent on the initial velocity, the acceleration and the time of travel. What is the distance traveled during the last second
The human eye can barely detect a star whose intensity at the earth's surface is 1.6E-11W/m2. how many photons per second enter the eye from the star
he wavelength of an electromagnetic wave inside water (nwater = 1.33) is ? = 660 nm. find the wavelength of the same electromagnetic wave
In the steady state 1.8 1018 electrons per second enter bulb 1. There are 6.3 1028 mobile electrons per cubic meter in tungsten. The cross-sectional area of the tungsten filament in bulb 1 is 1 10-8 m2. The electron mobility in hot tungsten is 1.2 10..
A small, 100g cart is moving at 1.30m/s on an air track when it collides with a larger, 2.00kg cart at rest. What is the speed of the large cart after the collision
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