Physics, 20.04.2020 23:52, aurelio1121
In an experimental technique for treating deep tumors, unstable positively charged pions (ฯ + , elementary particles with a mass of 2.25ร10โ28kg) penetrate the flesh and disintegrate at the tumor site, releasing energy to kill cancer cells. If pions with a kinetic energy of 8 keV are required and if a velocity selector with an electric field strength of 2.2ร103 V/m is used, what must be the magnetic field strength?
Answers: 3
Physics, 22.06.2019 12:10, lks715
Point charges q1 = 51 ยตc and q2 = โ27 ยตc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 ยตc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)
Answers: 3
Physics, 22.06.2019 12:50, stephanie37766
Which changes would result in a decrease in the gravitational force btween two objects? check all that apply
Answers: 1
Physics, 22.06.2019 13:00, mckadams02
The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 ยฐc, what is the final temperature? note that 1 lb = 453.6 g.
Answers: 3
In an experimental technique for treating deep tumors, unstable positively charged pions (ฯ + , elem...
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