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Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
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The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error
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What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?
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Help plz i need it in the next 30 mins
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