Suppose you drop an object out of the window of a building and wait for it to hit the ground. How does the halfway point in distance compare to the halfway point in time? Please explain.

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

Which notation is used to represent an alpha particle? a. b. c. d.

In the illustration, which two simple machines are being used to enable the student to reach the door? a. inclined plane and pulley b lever and wheel-and-axle c pulley and lever d wheel-and axle and inclined plane