Physics, 28.01.2020 21:42 ldelgado97
Asmall segment of wire contains 10 nc of charge. the segment is shrunk to one-third of its original length. a proton is very far from the wire. what is the ratio ff/fi of the electric force on the proton after the segment is shrunk to the force before the segment was shrunk?
Answers: 3
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
Physics, 23.06.2019 03:00
0.5 kg of silver increases temperature from 0 celsius to 7 celsius when heat is added how much heat energy produced this change in temperature
Answers: 1
Asmall segment of wire contains 10 nc of charge. the segment is shrunk to one-third of its original...
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