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A source is producing 15 waves in 3.0.s the distance between a crest and a trough is 10.0 find the frequency the wave length and the velocity of the wave
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Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
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Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
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Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
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A source is producing 15 waves in 3.0.s the distance between a crest and a trough is 10.0 find the f...
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