The temperature at which the particles of a substance would have no kinetic energy is a. 2,273 k. b. 0 k. c. 0 ºc. d. 273 k. answers

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane