Physics, 26.02.2020 01:01 zmoore8015
An electrical firm manufactures light bulbs that have a length of life that is approximately normally distributed with a standard deviation of 40 hours. If a sample of 30 bulbs has an average life of 780 hours. How large a sample is needed
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In a closed system, the total energy prior to an energy transformation is the total energy after. a. equal to b. unrelated to c. greater than d. less than
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How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing
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Physics, 22.06.2019 18:00
Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?
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An electrical firm manufactures light bulbs that have a length of life that is approximately normall...
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