Water flows into a horizontal, cylindrical pipe at 1.3 m/s. The pipe then narrows until its diameter is halved. What is the pressure difference between the wide and narrow ends of the pipe?

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

For which pair of objects would adding the same a