What tool can you use to cross search multiple library databases at once? explain your answer.

a) the library research guides
b) the library a-z list
c) onesearch
d) the library catalog

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?