Physics, 24.08.2019 12:50 luxmimspcbcxf
Aspherically symmetric charge distribution has a charge density given by ρ = a/r , where a is constant. find the electric field within the charge distribution as a function of r. note: the volume element dv for a spherical shell of radius r and thickness dr is equal to 4πr2dr. (use the following as necessary: a, r, and ε0. consider that a is positive.)
Answers: 1
Physics, 21.06.2019 22:50, peno211
Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.
Answers: 2
Physics, 22.06.2019 03:00, nkidder
An electric current is flowing through the cord below. what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.
Answers: 2
Aspherically symmetric charge distribution has a charge density given by ρ = a/r , where a is consta...
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