A wire with length 4.0 cm stretches along the x axis and carries a 3.0 A current to the right (+) The wire is in a uniform magnetic field B-(0.25i-0.30j+0.22k) T Determine the x-component of the force on the wire Express your answers using two significant figures. ΕΧΕΙ ΑΣΦ Fx 2.6 102 Submit Previous Answers Request Answer Part B Incorrect; Try Again; One attempt remaining Determine the y-component of the force on the wire. Express your answers using two significant figures. ΕΧΕΙ ΑΣΦ Fy Submit Previous Answers Request Answer ? ? N N

The figure below shows two unknown devices, each of which separates (disperses) white light into its spectrum. The positions of the two wavelengths are shown on each screen. Two optical devices that can produce cases A and B (respectively) are Case A ? Case B ? 2.700 nm 2400 nm 2400 nm 2.700 nm OA. a concave mirror and a convex lens B. a ray box and a prism C. a transmission grating and a prism OD. a transmission grating and a ray box

Question Four a) Outline step-by-step, the Johansen's methodology for testing for cointegration between a set of variables in the context of a VAR. b) Suppose that a researcher has a set of three variables, yt (t = 1, ........., T), i.e. y denotes a p-variate, or p x 1 vector, that she wishes to test for the existence of cointegrating relationships using the Johansen procedure. What is the implication of finding that the rank of the appropriate matrix takes on a value of; i.) 0 ii.) 1 iii.)2 iv.)3? c) The researcher obtains results for the Johansen test using the variables outlined in part (b) as follows: r 0123. λmax 38.65 26.91 10.67 8.55 5% critical value 30.26 23.84 17.72 10.71 Determine the number of cointegrating vectors, explaining your answer.

88 MULTIPLE CHOICE Question 2 Listen Given 0=787°, what is the measure of the coterminal angle? A 67° B 23° C 157° D 113°

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