Physics, 06.03.2020 00:57 nananananananan03

A stockroom worker pushes a box with a mass of 11.2 kg on a hor izontal surface with a constant speed of 3.50 m/s. The coefficients of kinetic and static friction between the box and the surface are 0.200 and 0.450 respectively. A) What horizontal force must the worker apply to maintain the motion of the box? B) I f the worker stops pushing, what will be the acceleration of the box?

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