Physics, 02.03.2021 08:50 jeffrieskids13
Calculate the efficiency of the following. 22. Win = 1850 J, Wout = 1700 J 23. an object weighing 150 N is lifted 9.0 m using 1500 J of energy 24. a force of 150 N is exerted along a 3.0 m inclined plane to raise an object weighing 425 N to a height of 1.0 m
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Stion 13 of 20 : select the best answer for the question. 13. if a certain mass of mercury has a volume of 0.002 m3 at a temperature of 20°c, what will be the volume at 50°c? a. 0.002021624 m3 b. 0.004021624 m3 c. 0.000010812 m3 d. 0.002010812 m3
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If a balloon is taken outside on a very cold day, what will occur?
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1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.
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Calculate the efficiency of the following. 22. Win = 1850 J, Wout = 1700 J 23. an object weighing 15...
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