In a region of space there exists the following electric field (in spherical coordinates) : E~ (r, θ, φ) = (3r 2 cos(θ)ˆr − r 2 sin(θ) θˆ) N m2C Find the amount of charge contained in the region of spaces described by the upper (z ≥ 0) hemisphere of a sphere radius 50cm centered at the origin. Do this two ways, making use of: a) The integral form of Gauss’s law b) The differential form of Gauss’s law
Answers: 3
Physics, 21.06.2019 20:00
When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.
Answers: 1
Physics, 22.06.2019 02:00
Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.
Answers: 2
Physics, 22.06.2019 04:40
Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure
Answers: 3
In a region of space there exists the following electric field (in spherical coordinates) : E~ (r, θ...
Mathematics, 28.01.2020 20:50
Chemistry, 28.01.2020 20:50
Physics, 28.01.2020 20:50
Mathematics, 28.01.2020 20:50
Mathematics, 28.01.2020 20:50
Mathematics, 28.01.2020 20:50
Arts, 28.01.2020 20:50
English, 28.01.2020 20:50
Mathematics, 28.01.2020 20:50
Mathematics, 28.01.2020 20:50
English, 28.01.2020 20:50
Physics, 28.01.2020 20:50
English, 28.01.2020 20:50
English, 28.01.2020 20:50
Geography, 28.01.2020 20:50