How is a generator different from an electric motor

Refrigerant 134a enters an air conditioner compressor at 4 bar, 20°C, and is compressed at steady state to 12 bar, 80°C. The volumetric flow rate of the refrigerant entering is 5.5 m3/min. The work input to the compressor is 82.

Matt and Anna Killian are frequent fliers on Fast-n-Go Airlines. They often fly between two cities that are a distance of 1575 miles apart. On one particular trip, they flew into the wind and the trip took 4.5 hours.

Which of the following elements has the lowest electronegativity? A. Atoms to the right on the periodic table B. Atoms to the left for the periodic table C. Atoms with large atomic radius D. Atoms with small atomic radius

It is useful to think of a photon as a packet of

When the notebook is sitting on the table, what force prevents it from falling into the space below the table? If you don't know the name of this force, just describe it. What force keeps the notebook from floating in the air?

Which features involve compression? Select the three correct answers. A. Reverse faults B. Anticlines C. Folded mountains D. Normal faults E. Monoclines

You place a cup of 210 degrees F coffee on a table in a room that is 68 degrees F, and 10 minutes later, it is 200 degrees F. Approximately how long will it be before the coffee is 180 degrees F? Use Newton's law of cooling:

What change occurs to the mass of an object when an unbalanced force is applied to it? A. The mass increases. B. The mass decreases. C. The mass remains the same. D. The mass reduces to zero. E. The mass changes by an indeterminate amount.

The equilibrium price will rise, but equilibrium quantity may increase, decrease, or stay the same if a. demand increases and supply decreases. b. demand increases and supply increases. c. demand decreases and supply increases. d.

The nearest large galaxy to our own is about 2.5 million light-years away. how many meters is that