A copper tube is rigidly attached between a steel rod and an aluminum rod. Axial loads are at the position indicated. Find the following: A. Find the maximum value of AREA and DIAMETER that will not exceed a stress in steel of 85 MPa. B. Find the maximum value of AREA and DIAMETER that will not exceed a stress in copper of 95 MPa. C. Find the maximum value ofP that will not exceed a stress in aluminum of 132 MPa. Aluminum SUPPORT Steel Copper A = ? A = ? 43 KN A = ? 15KN 29 KN 1m 1.8m 2.3m

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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.