Speculate in terms of the microscopic surface irregularities as to why uk (Coefficient of kinectic friction) is
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Speculate in terms of the microscopic surface irregularities as to why uk (Coefficient of kinectic friction) is less than us (coefficient of static friction) and what effect lubricant has on the coefficient of friction
If two alternative economic models are offered, other things equal, we would 2.
a. tend to pick the one with the lowest R2.
b. select the model that is the most expensive to estimate.
c. pick the model that was the most complex.
d. select the model that gave the most accurate forecasts
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