An engine takes in 200 J of heat, expels 40 J of heat, and does 160 J of work. What is the efficiency of the engine?

A. 40%

B. 60%

C. 80%

D. 20%

What kind of change does shot peening cause in a sheet of metal?

According to information received from radio telescopes, where is our sun positioned in the milky way? a. at the exact center of the galactic nucleus b. just outside the galactic nucleus c. at the tip of one of the spirals d. within one of the

If the electric flux through a closed surface is proportional to the enclosed charge, what is the gravitational flux proportional to?

A chemical equation lists NaHCO3 (s) as a reactant. What does (s) indicate?

What has the most energy gas liquid or solid

An object is placed in a fluid and then released. Assume that the object either floats to the surface (settling so that the object is partly above and partly below the fluid surface) or sinks to the bottom.

Explain why it is important to have strong core muscles?

Potential energy is the energy an object has because of its A. density. B. size. C. location. D. speed. E. temperature.

How is this career a good fit for you or an individual who would work in this field

The Architecture and Construction career cluster is a group of careers focused on designing, constructing, and maintaining buildings and other structures. assembly of buildings and structures. designing and planning buildings.