Find the three lowest normal mode frequencies f1f1f_1, f2f2f_2, and f3f3f_3. Express the frequencies in terms of LLL, vvv, and any constants. List them in increasing order, separated by commas.

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?

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.

Name two kinds of practical electric pumps.