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an engine absorbs 172 kj from a hot reservoir at 277degc and expels 124 kj to a cold reservoir at 27degc in each
a silver medallion is sealed within a transparent block of plastic an observer in air viewing the medallion from
suppose you carry a bag of groceries weighing 103 n from your car to your kitchen a distance of 53 m without raising or
specifically they must have complementary polarizations for example if photon a is later measured to have horizontal 0
a 455 mol sample of a diatomic ideal gas 14 expands slowly and adiabatically from a pressure of 410 atm and a volume
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an ideal gas is taken through a carnot cycle the isothermal expansion occurs at 240degc and the isothermal compression
consider a uniformly solid hemisphere of radius r and mass m1 determine the center of mass2 determine the principal
air that occupies 015 cubic meters at 103e05 pa gauge pressure is expanded isothermally to atmospheric pressure and
a 400 l sample of a diatomic ideal gas with specific heat ratio 140 confined to a cylinder is carried through a closed
if the end of the crutch is a circle of radius 10 cm without the tip and the tip is a circle of radius 25 cm by what
a 30 kilogram child moving at 4 meters per second jumps onto a 50 kilogram sled that is initially at rest on a long
a proton accelerates from rest in a uniform electric field of 630 nc at some later time its speed is 104 106 msa find
a 2kg block initially hangs at rest at the end of two long strings of negligible mass as shown in the diagram below a
an engine absorbs 172 kj from a hot reservoir at 277degc and expels 124 kj to a cold reservoir at 27degc in each cyclea
a car has an initial speed of 30 ms and slows uniformly to 10 ms in 5 secs determine the distance it travels in the 3rd
a 011-kg balloon is filled with helium density 0179 kgm3 if the balloon is a sphere with a radius of 42 m what is the
in a constant-volume process 205 j of energy is transferred by heat to 094 mol of an ideal monatomic gas initially at
an electron ejected from an orbital of a diatomic molecule by 2122 ev radiation was found to have a speed of 190 mm s-1
gasoline contains predominately octane the octane value quoted on the pump is approximately equal to the percent of
a laboratory technician drops a 00850-kg sample of unknown material at a temperature of 100c into a calorimeter the
a commuter train blows its horn as it passes a passenger platform at a constant speed of 391 ms the train horn sounds
suppose yoursquore coding a 3d pool game and yoursquore focused on the cue ball hitting another ball at rest the cue
a parallel plate air filled capacitor has plates of area 080 m2 and a separation of 0040 mma find the capacitanceb if a