Physics, 01.08.2019 12:30, ellycleland16
An 73 cm long pendulum with a 0.80 kg bob is released from rest at an initial angle of θ0 with the vertical. at the bottom of the swing, the speed of the bob is 2.8 m/s. (a) what is θ0?
Answers: 1
Physics, 22.06.2019 21:30, Hockeypro1127
The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?
Answers: 1
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?
Answers: 1
An 73 cm long pendulum with a 0.80 kg bob is released from rest at an initial angle of θ0 with the v...
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