Determine the signal f(t) whose Fourier transform is shown in Fig. 18.38. (Hint: Use the duality property.)




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El ensanche de la ataguía se hace para _____.

a. que la ataguía sea más pesada b. bloquear la infiltración de agua desde la parte infe- rior a la parte exterior de la ataguía c. reforzar la ataguía sin la necesidad de usar arma- dura de acero d. distribuir el peso de la ataguía y la columna sobre un área grande

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While having a discussion, Technician A says that the horn circuit includes the horn, a fuse and wiring, the horn switch in the steering wheel, and a capacitor. Technician B says that the horn circuit includes the horn, a fuse and wiring, the horn switch in the steering wheel, and a relay. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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Which of these is a true statement regarding safety?

A) Safety is a learned behavior and attitude. B) Safety consciousness comes naturally to most individuals. C) Safety primarily depends on workers in the field. D) Safety does not normally require training.

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The rails of a trussed beam are separated by _____.

a. A-plates b. tie rods c. I-beams d. truss blocks

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