Which of the following takes place in the combustion chamber of a gas turbine engine?

a. fuel oil is stored with sufficient pressure.

b. fuel oil is mixed with a proper portion of compressed air.

c. a glow plug is used to add enough heat to the chamber for combustion to occur.

d. gaseous combustion products are cooled to a desired temperature.

Heterogeneous mixture with larger particles that never settle is

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.

If a hiker that weighs 600 newtons climbs a 50 meter hill, how much gravitational potential energy has the hiker gained?