Physics, 22.07.2019 03:30 einstein101
The current through inductance l is given by i=i0e−t/τ a.) find an expression for the potential difference δvl across the inductor. b.) evaluate δvl at t=0s , if l=15mh , i0=36ma , and τ=1.1ms c.) evaluate δvl at t=1ms , if l=15mh , i0=36ma , and τ=1.1ms d.) evaluate δvl at t=2ms , if l=15mh , i0=36ma , and τ=1.1ms e.) evaluate δvl at t=3ms , if l=15mh , i0=36ma , and τ=1.1ms
Answers: 1
Physics, 22.06.2019 05:10
Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.
Answers: 3
Physics, 22.06.2019 09:00
Sobre transformações cíclicas, são feitas algumas afirmações, determine quais estão corretas. i – a variação de energia interna em uma transformação cíclica é nula; ii – o trabalho, em uma transformação cíclica, é sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cíclica é, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocórica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv
Answers: 1
Physics, 22.06.2019 13:50
Observations show that interstellar clouds can have almost any shape and
Answers: 1
Physics, 22.06.2019 15:10
Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground
Answers: 3
The current through inductance l is given by i=i0e−t/τ a.) find an expression for the potential diff...
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