On a position vs. time graph for an object, a horizontal line segment indicates that the object is(1 point) moving at a constant rate.
moving at a constant rate.

at its starting location.
at its starting location.

not moving and is at rest.
not moving and is at rest.

located at ground level.

However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as

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?

A( developed during the process of technology design