PLEASE ANSWER: Students will identify the movement of electrical flow, the initiation of the motor and how it relates to the movement of the hammer. If students get this question incorrect, review motors- what do they do, how do they convert electricity into movement.

Which motion maps show an object in uniform circular motion? check all that apply. v w x y

If this plastic cup is heated to its melting point, what will eventually happen to all the particles in the plastic? a. the particles will begin to move enough that they slide past each other. b. bonds will form and the liquid will become a solid. c. the spaces between the particles will get smaller. d. the particles will change state and become a crystalline solid.

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present