Two drums are connected by a belt. The drums each have mass 5.4 kg and radius 110 mm and it can be assumed that the mass is uniformly distributed. The drums are in motion and the angular velocity of drum Bis 40 rad/s counterclockwise. Determine the amount of time it takes for the angular velocity of drum B to be reduced to 10 rad/s and the tension in the belt between the drum. The time it takes for angular velocity to be reduced to 10 rad/s is (units). The tension in the belt between the drums is

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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.