Asmall metal bar whose initial temperature was 20 degrees celsius is dropped into a large container of boiling water. how long will it take the bar to reach 90 degrees celsius if it is known that its temperature increases 2 degrees c in 1 second. how long will it ake the bar to reach 98 c?
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What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical
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The voltmeter reads 117 v and ammeter reads 0.13 a .if the resistance of ammeter and voltmeter are 9 kilo ohm and 0.015 ohm respectively ,find the value of r. 3marks
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Asmall metal bar whose initial temperature was 20 degrees celsius is dropped into a large container...
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