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A combustion experiment is performed by burning a mixture of fuel and oxygen in a constant-volume container surrounded by a water bath. During the experiment, the temperature of the water rises. If the system is the mixture of fuel and oxygen:
(a) Has heat been transferred?
(b) Has work been done?
(c) What is the sign of ?U?
late one night on a highway a car speeds by you and fades into the distance. under these conditions the pupils of your
A very long, straight wire carries a current of 16.3 A out of the screen. Find the magnitude of the force on the electron if it is moving upward
a high speed cooling fan has a maximum angular speed of 15.0 rad/sec, calculate the angular acceleration when the device goes from idle speed to operational speed
Some object moves 100.0 m at an angle of 36° west of south. During this motion, a 92.0 N force acts on the same object, what is this force's orientation
A piece of lucite (transparent plastic) has an index of refraction of 1.45. Find the critical angle (for total internal reflection) if the plastic is in air. Now find the critical angle if the plastic is immersed in water. In both cases, we are co..
A patient walks across a force platform and the forces exerted by the patients foot during a step is recorded. What is the direction of the resultant force
What is the Compton effect, What is the shift in the wavelength of x-rays upon Compton scattering
How much work did movers do (horizontally) pushing a 150-{rm kg} crate 10.6 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50.
a platinum resistance thermometer has resistances of 170.0 when placed in a 0degc ice bath and 244.8 when immersed in a
an 11000-watt radio station transmits at 880 khz. calculate the energy of a single photon at the transmitted
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t, Estimate the capacitance of the cell ..
At a recent rock concert, a dB meter registered 114 dB when placed 1.30 m in front of a loudspeaker on the stage, What was the power output of the speaker
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