You see the boy next door trying to push a crate down the sidewalk. He can barely
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You see the boy next door trying to push a crate down the sidewalk. He can barely keep it moving, and his feet occasionally slip. You start to wonder how heavy the crate is. You call to ask the boy his mass, and he replies “50 kg.” From your recent physics class you estimate that the static and kinetic coefficients of friction are 0.8 and 0.4 for the boy’s shoes, and 0.5 and 0.2 for the crate. Estimate the mass of the crate.
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Related Book For
Physics For Scientists And Engineers A Strategic Approach With Modern Physics
ISBN: 9780321740908
3rd Edition
Authors: Randall D. Knight
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