In Fig. 21-28, particle 1 of charge and particle 2 of charge are held at separation on an x axis. If particle 3 of unknown charge is to be located such that the net electrostatic force on it from particles 1 and 2 is zero, what must be the (a) x and (b) y coordinates of particle 3?

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In Fig. 4-34, a stone is projected at a cliff of height h with an initial speed of 45.0 m/s directed at an angle θ0 = 62.0° above the horizontal. The stone strikes at A, 5.37 s after launching. Find (a) the height h of the cliff, (b) the speed of the stone just before impact at A, and (c) the maximum height H reached above the ground.

h=5.37[45*sin62-(9.81*5.37/2)]=71.92ng=[45^2-(2*45*9.81)+sin62+(9.81*5.37)^2]^1/2=62.59m/smax. height=[45^2*(sin62)^2/(2*9.81)]=80.46m ans; a.height h is 71.92mb.speed g is62.59m/sc.maximum…

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In Fig. 9-37, three uniform thin rods, each of length L = 43 cm, form an inverted U. The vertical rods each have a mass of 19 g; the horizontal rod has a mass of 34 g. What are (a) the x coordinate and (b) the y coordinate of the system’s center of mass? (Give your answer in cm)

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Figure l|.’.: Examine Figure C. This is a “simplified” sequence diagram from an actual geological section locatedin Zumaia, Spain, which is one of the localities around the world where the Cretaceous‘ Faleog-eneboundary is located [Refer to Module 1.4]. Note that all of the layers are sedimentary rock layers.{Trivia note for Game of Thrones fans – Zumoio was used as a film locality for port of this seriesfl

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In “Final Jeopardy” (pp. 234-242), Stephen Baker expresses an interesting look at the way technology, especially in terms of machines, could dramatically change the relationship between mankind and technology—not just helping us to locate information, but also to show us how to think about it. What are Baker’s concerns about this evolution in technology, and what are his reasons (stated or implied) for optimism? As you consider the relative strengths and weaknesses of those reasons, explain whether and why you find yourself more pessimistic or more optimistic about our changing technologies as presented by Baker.

Please ensure that your essay addresses each component of the question assigned question and that your answer is well- organized,  uses excellent, college-level prose, and  makes judicious use of textual evidence.  

Why the Future Doesn’t Need Us

Why the Future Doesn’t Need Us

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