Suppose you like to listen to two different radio stations. the opera station broadcasts at 90.5 mhz and the rock and roll station broadcasts at 107.0 mh. s. which station's signal has waves with longer wavelenghts and which stations signal has station has waves with higher energy?

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost

To separate a mixture of hard candies nd marbles the most efficient method would be