Calculate the ideal efficiency of an engine in which fuel is heated to 2500 K and the surrounding air is 200 K.

F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.