The force of friction between the mass ???? 1 and the horizontal surface is 2 0 ????

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The force of friction between the mass ${????}_{1}$ and the horizontal surface is $20 ????$ $.$ Calculate the speed of ${????}_{1}$ when the mass ${????}_{2}$ falls a height $1, 5 ???? .$

Posted Date: May 07, 2024 02:15 AM

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The force of friction between the mass ???? 1 and the horizontal surface is 2 0 ????

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m=4kg m-5kg m=4kg m-5kg

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