Figure.2 shows the heat transfer rate per unit width (normal to the page) from a longitudinal section, x2-x₁, can be expressed as 912 = h₁2(x2-x1)(Ts - T∞), where h₁₂ is the average coefficient for the section of length (x2-x1). Consider laminar flow over a flat plate with a uniform temperature Ts. The spatial variation of the local convection coefficient is of the form hx =Cx², where C is a const To loo x2 dx 912 TSK Fig.2. A heat transfer of a longitudinal plate (a) Beginning with the convection rate equation in the form dq' = hxdx(Ts - T∞), derive an expression for h₁₂ in terms of C, x₁, andx2. (b) Derive an expression for h₁₂ in terms of x1, x2, and the average coefficients and h₂, corresponding to lengths x₁, andx2., respectively.

The University of Oklahoma School of Civil Engineering and Environmental Science spring 2024 Semester Problem 3 (30 pts.) ENGR 2411 Applied Engineering Statics Prerequisite Quiz Page 4 of a Your friend Dave loves hanging on the OU banner poles attached to the light poles on campus, this is despite your strong disapproval of their behavior. As an engineering student you are super concerned about the moment acting at the base of the light pole. What if Dave breaks the light pole! Calculate the moment acting about the base of the light pole (point O) when Dave is angled 45° from the horizontal banner pole. Dave weighs 120 lbs. Assume the force exerted by Dave on the banner pole is aligned with their arm that is holding onto the pole (ie. at 45°). B 15ft tf8 Disclaimer: Dave is fictional and does not represent any actual person.

An electric hot water heater consumes 3.1 kilowatts of electricity and converts it to heat. How long will it take the water heater to heat a 67 gallon tank of water from 10 degrees Celsius to 50 degrees Celsius? (1 kilogram of water is 0.37 gallons, 1 Calorie = 4200 J).  It may be helpful to refer back to the weekly handout for guidance on this problem. Your final answer should be in minutes (rounded to the nearest 10 minutes).

What’s the correct answer please?