Physics, 30.07.2020 01:01 4300224102
The diameter of a 12-gauge copper wire is 0.081 in. The maximum safe current it can 17) carry (in order to prevent fire danger in building construction) is 20 A. At this current, what is the drift velocity of the electrons?
Answers: 3
Physics, 21.06.2019 16:10
Aresearcher plans to conduct a test of hypotheses at the 1% significance level. she designs her study to have a power of 0.90 at a particular alternative value of the parameter of interest. the probability that the researcher will commit a type ii error for the particular alternative value of the parameter at which she computed the power is: a. 0.90. b. 0.01. c. 0.10. d. equal to 1
Answers: 3
Physics, 21.06.2019 17:30
Abatter hits the baseball a with an initial velocity of v0 = 110 ft/sec directly toward fielder b at an angle of 23° to the horizontal; the initial position of the ball is 2.2 ft above ground level. fielder b requires 0.44 sec to judge where the ball should be caught and begins moving to that position with constant speed. because of great experience, fielder b chooses his running speed so that he arrives at the âcatch positionâ simultaneously with the baseball. the catch position is the field location at which the ball altitude is 8.4 ft. determine the velocity of the ball relative to the fielder at the instant the catch is made.
Answers: 1
Physics, 21.06.2019 22:40
In physics the desire of an object to keep doing what it is doing is termed?
Answers: 1
Physics, 22.06.2019 05:20
Given the position vector of the particle r(t)=(t+1)i+(t^2â1)j+2t k, find the particle's velocity and acceleration vectors at t=1
Answers: 1
The diameter of a 12-gauge copper wire is 0.081 in. The maximum safe current it can 17) carry (in or...
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