Locate the centroid of the following figures. a) 90 mm b) 90 mm 120 mm A = A1 - A2 Ax = A1 x1 - A2 x2 А у3DA1 y1 - А2 y2 Ans. A = 41,189 mm² ,x = 0,y = -2.95 mm

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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.