Abaseball rolls across the grass until it eventually comes to a stop. what happens to the ball’s kinetic energy?

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Someone with these questions! pls 30 pts

Identifies and describes 3-4 components of the endocrine system (10 points) transfers meaning from one subject (endocrine system) to another (scenario/example) (10 points)