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Gas in a container is at a pressure of 1.5 atm and volume of 4 m^3. What is the work done on gas (a) if it expands at constant pressure to twice its initial volume (b) it is compressed at constant pressure to one-quarter its initial volume?
Electrons accelerated by a potential difference of 13.08 V pass through a gas of hydrogen atoms at room temperature, Calculate the wavelength of light emitted with the shortest possible wavelength
A pair of slits, separated by 0.170 mm, is illuminated by light having a wavelength of ? = 569 nm. What is the path difference for the two slits at the location y
Resistance are 10N per 1000 for the engine 5N per 1000kg for the trailer. So what's the forward thrust exerted by the engine?
A sphere of conducting material has an empty hollow cavity within it and a net charge of Q=+5 distributed over its surfaces. What is the magnitude of the electric field within the hollow cavity
The initial height of the block is 0.5 m above the lowest part of the slide and the spring constant is 450 N/m.What is the block's speed when it is at a height of 0.25 m above the base of the slide? Explain how far is the spring compressed?
How far away can a human eye distinguish two car headlights 1.8 m apart? Consider only diffraction effects and assume an eye pupil diameter of 5.5 mm and a wavelength of 550 nm. What is the minimum angular separation an eye could resolve when view..
Prior to launching a stone from a sling, a Bolivian native whirls the stone at 3.0 revolutions per second around a circle of radius 0.75 m. What is the angular momentum of the stone relative to the center of the circle
An automobile batery has 12 V and an internal resistance of .05 ohms. The starter draws 40 amps of current when starting the car. The resistance of the starter is
jamie is playing tennis. a 0.057kg ball is coming towards her at a velocity of -14 ms. after she hits it in the exact
An air-filled parallel-plate capacitor has a capacitance of 1.1 pF. The separation of the plates is doubled and wax is inserted between them, Find the dielectric constant of the wax
In a mass spectrometer, a singly charged ion having a particular velocity is selected by using a magnetic field of 0.1 T perpendicular to an electric field of 8.00 102 V/m. What is the mass of the ion
A solid uniform sphere and a uniform spherical shell, both having the same mass and radius, How fast is each sphere moving when it reaches the bottom of the hill
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