Hot air (k = 0.035 w/m-k) at an average temperature of 120oc flows through a 4 m long duct at 10 m/s. the tube has inside dimensions of 40 mm x 200 mm, surface temperature of 20oc, and the nussalt number is 89. what is the rate of heat transfer from the air to the tube?

Since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of "if…then…because…” when writing your hypothesis.

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?

What happens during the fall in september