(c4p46) A 5.6- kg concrete block rests on a level table. A 3.6- kg mass is attac
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Question
(c4p46) A 5.6- kg concrete block rests on a level table. A 3.6- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.2 m/s2, what is the coefficient of friction between the block and the table?
(c4p46) A 5.6- kg concrete block rests on a level table. A 3.6- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.2 m/s2, what is the coefficient of friction between the block and the table?Explanation / Answer
3.6 *9.8 - T =3.6*a
T - u*5.6*9.8 = 5.6*a
a=1.2
T = 30.96
u = 0.44
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