A flow undergoes a normal shock just past a section where the area is 53 cm²: p= 12 kPa, p = 0.182 kg/m³, and V=760 m/s. Determine the Mach number, pressure, and velocity just downstream of the shock. The Mach number is The downstream pressure is The downstream velocity is Pa. m/s.

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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.