Physics, 28.07.2019 21:00, siyah87

Kathryn ate a bag of salty chips. what allowed her brain to register the flavor of the chips?

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Physics, 21.06.2019 18:40, kandi2565

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Physics, 22.06.2019 21:00, brittneys55

What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%

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Physics, 22.06.2019 22:00, MickeyAppleX

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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 negligible—about 1 2000 of the proton’s 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 ion’s circular orbit?