Physics
Physics, 07.10.2019 14:00, robert7248

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block a weighs 1.40 n, and block b weighs 4.20 n. the coefficient of kinetic friction between all surfaces is 0.30. find the magnitude of the horizontal force necessary to drag block b to the left at constant speed if a and b are connected by a light, flexible cord passing around a fixed, frictionless pulley.


Can anyone check it?  block a weighs 1.40 n, and block b weighs 4.20 n. the coefficient

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