A person on a trampoline bounces straight upward with an initial speed of 4. 5 m/s. What is the person’s speed when she returns to her initial height?.

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

What happens to the vapor pressure of a substance when its surface area is increased at constant temperature?

The basketball coach tells his team to run sprints back and forth across the court, which is 30 m long. they start at the left end of the court, run back and forth 6 times, then end back at the left end of the court where they began. what distance did they run? what is their displacement?