How much friction is acting on the crate
if your pull horizontally on a crate with force of 200n, it slides across the floor in dynamic equilibrium. how much friction is acting on the crate?
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A factory worker pushes a 30 kg crate a distance of 4.5 meters along a level floor at constant velocity by pushing it downward at an angle of 30 degrees below the horizontal. The coefficient of kinetic friction between the crate and the floor is 0
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For a particular liquid-air interface the critical angle (for total internal reflection) is 52.6 degrees. The index of refraction of air is 1.00029. What is the index of refraction of the liquid?
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Address the discussion questions below by using your self-appraisal of competency based on the survey in Farzandipour et al. (2021).
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