Answer. the attachment is the question, not sure of answer.

In what direction does the medium move relative to the direction of the wave? explain.

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?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration