Two copper wires have the same length, but one has twice the diameter of the other.
Comp...
Physics, 27.02.2020 17:45, marcoantonioperezpan
Two copper wires have the same length, but one has twice the diameter of the other.
Compared to the one that has the smaller diameter, the one that has the larger diameter has a resistance that is...
a) the same
b) smaller by a factor of 1/4.
c) smaller by a factor of 1/2.
d) larger by a factor of 2.
e) larger by a factor of 4
Answers: 1
Physics, 21.06.2019 19:30, denysmayatskyy
A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?
Answers: 1
Physics, 22.06.2019 16:50, fsugg9168
Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?
Answers: 2
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