Physics, 23.07.2019 05:50, emilaw7823
Identify the opportunity cost john pay when you spend $20 on a new pair of gloves instead of a new shirt
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Physics, 21.06.2019 17:10, lwaites18
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Physics, 22.06.2019 22:50, cbogrett
Cyclotrons are widely used in nuclear medicine for producing short-lived radioactive isotopes. these cyclotrons typically accelerate h- (the hydride ion, which has one proton and two electrons) to an energy of 5 mev to 20 mev. this ion has a mass very close to that of a proton because the electron mass is negligibleāabout 1 2000 of the protonās mass. a typical magnetic field in such cyclotrons is 1.9 t. (a) what is the speed of a 5.0-mev h-? (b) if the h- has energy 5.0 mev and b = 1.9 t, what is the radius of this ionās circular orbit?
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Physics, 23.06.2019 03:00, fordkenae
If you visited mount shasta city (elevation 900 m [3000 ft.]) and found the outside air temperature to be 27Ā°c (81Ā°f), what would be the air temperature at the summit of mount shasta (elevation 4200 m [14,000 ft.]) at that moment-assuming that the temperature conditions with altitude change at an average, or normal, lapse rate?
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