In a certain particle accelerator, protons travel around a circular path of diameter d in an evacuated chamber, whose residual gas is at temperature t and pressure p. assuming t is given in kelvin and p in pascals, calculate the number n of gas molecules per cubic meter under these conditions. what is the mean free path of the gas molecules if the molecular diameter is d. state your answers in terms of the given variables, using the boltzmann constant k and ? if necessary.
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Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)
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Mary starts from her house, walks 80 meters south, and stops to chat with her aunt on the sidewalk. after chatting for a few minutes, she walks 125 meters to the west to meet a friend and then walks 45 meters north with her friend to a cafe for lunch. overall, she takes 10 minutes to do all this. what is mary’s average speed?
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In a certain particle accelerator, protons travel around a circular path of diameter d in an evacuat...
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