Consider the position vs. time graph below for a woman's movement in a hallway. What is the woman's velocity from 4 to 5 s? 4 m/s
6 m/s
8 m/s
10 m/s

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

Failure to accomplish erikson’s psychosocial task of late adulthood leads to despair. a. true b. false