the correlation between a car's engine size and its fuel economy is r = - 0.774. what fraction of the variability in fuel economy is accounted for by the engine size?

4. A certain tire has a size of P215/65R16. What does the 65 number signify? A. The percentage of a tire's diameter to its circumference OB. The Aspect Ratio of the tire C. The Load Rating of the tire he tire OD.

An electric generator coupled to a windmill produces an average electric power output of 15 kW. The power is used to charge a storage battery. Heat transfer from the battery to the surroundings occurs at a constant rate of 1.8 kW.

8.21 In the final stages of production, a pharmaceutical is sterilized by heating it from 25 to 75°C as it moves at 0.2 m/s through a straight thin-walled stainless steel tube of 12.7-mm diameter.

There are two questions about SolidWorks. 1. Why is it good practice to fully define sketchgeometry? 2. Describe what happens if you do not select a planeprior to clicking on the Sketch icon when creating a sketch.

What is JIT and why would you advocate it to reduce inventory?

16 Suppose that a steel of eutectoid composition is cooled to 550°C (1020°F) from 760°C (1400°F) in less than 0.5 s and held at this temperature.

The rotor in a shaded pole motor consists of A coils energized by alternating current B a short circuited loop of copper wire c a permanent magnet D an iron cylinder

What factors are likely to promote the formation of stress corrosion cracks?

Find the mass if the force is 18 N and the acceleration is 2 m/s2

Which process must first take place in order for the proteins in foods to be used by body cells? (1) digestion (3) synthesis (2) storage (4) excretion