Simple machines a) Describe a concept in this chapter that you already knew something about.

(b) When and where did you first learn about this idea?

(c) Describe similarities and differences between what you already knew about the idea and what you just learned about it.

What is the maximum acceleration of the wing tips, in units of g?

If the new moon happens on january 15th, what shape will it be on february 6th?

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=