Hello!, the problem is in Spanish, but you can solve it, I will translate it the question C says "what is the speed value in each trip", so I don't know how to find the value between the 5 and 15. I need help!! thank you

Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is