64°C. (a) What is the cylinder's net thermal radiation transfer rate P₁? (b) If the cylinder is stretched until its radius is r2 = 0.59 cm, its net thermal radiation transfer rate becomes P2. What is the ratio P2/P1?

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Q: how about 2 , 3 and 4

A: Dear student,  Since all questions are different as per guidelines we can author only one question.…

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Q: he second v

A: Given: To find the second vector magnitude and the direction is given as,

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A: a→ = 2i^ + j^ - k^b→ = 3i^ - 6j^ + 2k^

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