Air at 80of is to flow through a 2-ft pipe at an average velocity of 6 ft/s. what size pipe should be used to move water at 60of and average velocity of 2.9 ft/s if reynolds number similarity is enforced?

Ascientist is tracking an object orbiting the sun that is found between mars and jupiter. in order to classify the object as an asteroid, it must be at least

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

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?