7–14 Engine oil at 80°C flows over a 12-m-long flat plate whose temperature is 30°C with a velocity of 3 m/s. Determine the total drag force and the rate of heat transfer over the entire plate per unit width.

Total drag force is 88.74 N

Rate of heat transfer over the entire plate per unit width is 26451.6 W

Explanation:

The rate of heat transfer over the entire plate per unit width can be obtained by applying the Newton's law of cooling. The pictures attached are step by step solution to the question;

answer

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explanation:

true tan speed = ang vel x radius