Physics, 01.12.2021 01:20 bigbrogamer
g A 0.2 kg mass is attached to a horizontal spring and executes simple harmonic motion with a period of 0.25 s. The total energy of the system is 2 J. Find the spring constant and the amplitude.
Answers: 2
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The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation
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Physics, 22.06.2019 19:30
Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2
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The strong nuclear force acts over a small distance than the electrostatic force. true or false
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Physics, 22.06.2019 22:50
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?
Answers: 1
g A 0.2 kg mass is attached to a horizontal spring and executes simple harmonic motion with a period...
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