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A pair of speakers separated by 0.700 m are driven by the same oscillator at a frequency of 688 Hz. An observer, originally positioned at one of the speakers, begins to walk along a line perpendicular to the line joining the speakers. (Assume the speed of sound is 345 m/s.)
(a) How far must the observer walk before reaching a relative maximum in intensity?
(b) How far will the observer be from the speaker when the first relative minimum is detected in the intensity?
A rigid object is a body with a exact and unchanged size and shape i.e. a body is said to be rigid if the distance among any two particles of the body remains invariant.
Define the terms threshold frequency and stopping potential in relation to the phenomenon of photoelectric effect. How is the photoelectric current affected on enhancing the (i)
give examples for how to calculate static resistance.
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why the blood come out of nose in the top of the mountain region?
Ceramics are materials made by higher temperature firing treatment of natural clay and certain inorganic matters. Structurally ceramics are crystal bonded together. Other materials
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