Consider a steam pipe of length l = 15 ft, inner radius r1=2 in, outer radius r2=2.4 in, and thermal conductivity k = 7.2 btu/hr-ft-of. steam is flowing through the pipe at an average temperature of 250of, and the average convective heat transfer coefficient on the inner surface is given to be h = 1.5 btu/hr-ft2-of. if the average temperature on the outer surfaces of the pipe is t2=160of, evaluate the rate of heat loss from the steam through the pipe.

J. j. thomson’s experiment disproved the theory that an atom

Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.