Physics, 15.10.2019 03:00 lolomgwtfnvm4
An electron entering thomson’s e/m apparatus has an initial velocity (in horizontal direction only) of 4.0 x 10 6 m/s. in the lab there is a permanent horseshoe magnet of strength 12 mt, which you would like to use. (a) what electric field will you need in order to produce zero deflection of the electrons as they travel through the apparatus? (b) the length of nonzero e and b fields is 2.0 cm. when the magnetic field is turned off, but the same electric field remains, how far in the vertical direction will the electron beam be deflected over this length?
Answers: 1
Physics, 21.06.2019 20:30
Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground
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Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?
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Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?
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Physics, 22.06.2019 09:30
True or false graphs must include scales that increase by the same amount
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