Rosa has designed a pulley system for a school science project. She has determined that
as the...
Mathematics, 22.04.2020 06:14 mrgutierrez1
Rosa has designed a pulley system for a school science project. She has determined that
as the coefficient of friction increases, the efficiency of the pulley decreases. With a
coefficient of friction of 0.2, the efficiency of the pulley is 75%. What would you expect the
efficiency to be if the coefficient of friction increased to 0.3?
Answers: 2
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60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?
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Rewrite so the subject can be y in the formula d=m-y/y+n
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Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?
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