When a substance changes from a solid to a liquid, what happens to the motion of its particles?
A. They move at the same speed but in random directions,
B. They move more slowly and become fixed in position
C. They move more quickly and begin to move past one another
D. They move more quickly and independently.

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j

Awalk up the phase change graph worksheet

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.