Physics, 27.02.2020 20:26 blumkemax8
Two wires with the same resistance have the same diameter but different lengths. If wire 1 has length L 1 and wire 2 has length L 2, how do L 1 and L 2 compare if wire 1 is made from copper and wire 2 is made from aluminum? The resistivity of copper is 1.7 × 10 –5 Ω·m and the resistivity of aluminum is 2.82 × 10 –5 Ω·m.
Answers: 3
Physics, 22.06.2019 21:20
An electron is ejected into a horizontal uniform e⃗ field at a parallel horizontal velocity of v0. assume the electron's initial position x0, initial velocity v0, time t, magnitude of electric field e, electron's mass m, and the magnitude of the electron's charge |e|. ignore the force that earth exerts on the electron. assume the e⃗ field is in the same direction as the initial velocity. part a define the equation for the electron's velocity. express your answer in terms of the variables v0, |e|, t, e, and m.
Answers: 3
Physics, 22.06.2019 21:50
Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).
Answers: 2
Physics, 23.06.2019 02:00
How do you count the total number of atoms present on one side of a chemical equation?
Answers: 1
Two wires with the same resistance have the same diameter but different lengths. If wire 1 has lengt...
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