In several of the questions you've posted during the past day, we've already said that a wave with larger amplitude carries more energy. That idea is easy to apply to this question.
Answer:
Static stretching is the answer.
Explanation:
Static stretching is the most common form that greatly improves flexibility. However, static stretches does little to contract the muscles needed to generate powerful golf swings. Dynamic stretches help improve your range of motion while reducing muscle stiffness.
I would think that you would have to do 42/2=21Hz, but I'm not sure...
Answer:
c. Case iii
Explanation:
the ball will experience the largest change in case iii
No one can answer that kind of question since it was a specific project.