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Physics, 16.03.2020 16:47 shayshay7874
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 " 48 kgkg ." From your recent physics class you estimate that the static and kinetic coefficients of friction are 0.90 and 0.40 for the boy's shoes, and 0.50 and 0.20 for the crate.
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You see the boy next door trying to push a crate down the sidewalk. He can barely keep it moving, an...
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