What three frequencies make up the “squareish” wave in the diagram? Rank them from highest to lowest amplitude.

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

Which notation is used to represent an alpha particle? a. b. c. d.

What is the measure of a change in an objects velocity?