Word bank is at the top

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

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?

Who was the first scientist to measure speed as distance over time?