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When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
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Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?
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Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. intensity c. wavelength d. brightness
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What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%
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Whats the value of 1,152 btu in joules? (a)1,964,445j(b)1,215,360j(c)2,485, 664j(d)997,875j...
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