Physics, 16.10.2019 05:30 caydennnnn5764
Afurniture shop refinishes chairs. employees use one of two methods to refinish each chair. method i takes 0.5 hours and the material costs $9. method ii takes 2.5 hours, and the material costs $7. next week, they plan to spend 199 hours in labor and $1226 in material for refinishing chairs. how many chairs should they plan to refinish with each method?
Answers: 3
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Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?
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How have the competing explanations' experiments on atoms affected the development of the atomic model?
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State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory
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Afurniture shop refinishes chairs. employees use one of two methods to refinish each chair. method i...
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