Physics, 24.12.2019 05:31 stalley1521
Ablock with mass m1 of 2.85 kg moves along an inclined plane that makes an angle of 40.0 degrees with the horizontal, and is connected by a string that passes over a pulley to a second block that has a mass m2 of 4.75 kg. both blocks are composed of the same material. the string and pulley have negligible mass and the pulley exerts no friction force on the string. the coefficient of kinetic friction between the plane and the block is 0.55. determine the magnitude and direction of the acceleration.
Answers: 2
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Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
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