Use the graph to determine acceleration and velocity.

Which segments show acceleration?

What is the velocity of segment B?

A fan that consumes 20 W of electric power when operating is claimed to discharge air from a ventilated room at a rate of 1.0 kg/s at a discharge velocity of 8 m/s. Is the claim reasonable? What if the electric power is 40 W?

A cargo ship model 1000 ft long is to be modeled in a towing tank at a speed that will produce waves that are dynamically similar to those observed around a prototype.

Refrigerant 134a enters a horizontal pipe operating at steady state at 40oC, 300 kPaand a velocity of 40 m/s. At the exit, the temperature is 50oC and the pressure is 240 kPa. The pipe diameter is 0.04 m.

Must the amount of heat absorbed as 1 kg of saturated liquid water boils at 100 °C, be equal to the amount of heat released as 1 kg of saturated water vapor condenses at 100 °C? Why?

A geothermal power plant uses geothermal water extracted at 150°C at a rate of 210 kg/s as the heat source and produces 8000 kW of net power. The geothermal water leaves the plant at 90°C.

Brian is responsible for ordering cement for a construction project. He had just determined that the construction crew would need 540 cubic yards of cement when the building owner decided to shorten the driveway, eliminating the need for 44 cubic

Dave is a recruiter for a very large graphic design firm and he is looking for an employee who is willing to give the entire productive hours to activities related to the job. Which quality is he looking for?

Which of the following is a common use for commas? Separating two elements Separating unrelated adjectives Connecting two independent clauses Connecting two dependent clauses

Which component stores energy as potential energy in a mechanical system?

A floor system has W24 x 55 sections spaced 8'-0"" o. c. supporting a floor dead load of 50 psf and a live load of 80 psf. Determine the governing load. Show all work.