Look at the circuit diagram. how many switches does the diagram show?

Why do electron microscopes have higher resolving power than light microscopes?

Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects