Physics, 23.10.2020 05:01 victoriahuntley12148
Making Connections You have a friend who reports that he falls asleep easily around 11 P. M., but
then awakens for about an hour most nights around 2 or 3 A. M. He seems near exhaustion. What
would be the traditional explanation for his problem? How might the information contributed by
anthropologists change this view? Given the anthropological view, what recommendations would
you make to your friend?
Answers: 2
Physics, 22.06.2019 16:40, Crxymia
Aparticle's position is given by x = 3.00 - 9.00t + 3t2, in which x is in meters and t is in seconds. (a) what is its velocity at t = 1 s? (b) is it moving in the positive or negative direction of x just then? (c) what is its speed just then? (d) is the speed increasing or decreasing just then? (try answering the next two questions without further calculation.) (e) is there ever an instant when the velocity is zero? if so, give the time t; if not, answer "0". (f) is there a time after t = 3 s when the particle is moving in the negative direction of x? if so, give the time t; if not, answer "0".
Answers: 3
Physics, 22.06.2019 17:30, evanwall91
Students in an introductory physics lab are performing an experiment with a parallel-plate capacitor made of two circular aluminum plates, each 11 cm in diameter, separated by 1.0 cm. how much charge can be added to each of the plates before a spark jumps between the two plates? for such flat electrodes, assume that value of 3×106n/c of the field causes a spark.
Answers: 2
Making Connections You have a friend who reports that he falls asleep easily around 11 P. M., but
t...
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