A/an is a material in which charges will not move easily, whereas a/an is a material that allows charges to move about easily. question 6 options: conductor, insulator insulator, conductor electroscope, conductor insulator, electroscope

How are momentum and impulse related? impulse is a whim to do something, while momentum keeps it going impulse is another name fore instantaneous momentum the impulse acting on and object is equal to the change of momentum it causes. the impulse that acts on and object is the momentum that results.

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in