What causes thunder?
a. static electricity in the air
b. the sudden heating of the air by a lightning bolt
c. the movement of raindrops and hail within the cloud
d. the formation of raindrops out of rapidly condensing water vapor?

okay i have so many questions. but the big one here is: um wt..f is this mess? ?

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

the force represented by vector a is normal force. if the hockey puck is moving to the right, when it is hit with a significant force by the hockey stick the puck will move off in a different direction. correct on edge.