Asteel ball is the same size as a wooden ball, but weighs twice as much. if both balls are dropped from an airplane, which of them will reach terminal velocity more quickly? \

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?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?