A200 n force is applied to an object (that is at the origin) at 30 degrees above the horizontal on the positive x axis. a second force is applied at 20 degrees below the horizontal on the negative x axis. in order for the object to be in equilibrium in the y direction, what must the magnitude of this force be?

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging