What is the correct definition of a hazard?
O being aware that safety is important and acting in a safe manner
O an injury caused by an unexpected event
O potential source of danger
O an event not intended to happen

10 POINTS

An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?