Toss a stone in still water and concentric circles are formed. what form will waves have in the water if a stone is tossed into smoothly flowing water?

Ineed with these last two questions: 1) what are two types of cold air masses that influence the weather in north america? name them and describe their humidity. 2) describe the motion of a cold air mass and a warm air mass and the weather you would expect at a warm front and an occluded front.

What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each

Often called simply "velocity," this is the velocity of an object at a particular moment in time.