An airplane is flying at a constant velocity through the air. what is the relationship between the magnitudes of the four forces shown in the diagram? a. l = w; f < d b. l = w; f = d c. l = w = f = d d. l = w; f > d

What is the length x of the side of the triangle below? (hint: use the cosine function)

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?