The ratio between the force of sliding friction and the normal force of an object is called? A. The rolling friction
B. The drag
C. The coefficient of friction
D. The starting friction

Aballet student who learns with the of his instructor is demonstrating learning.

The softest and hardest minerals are: softest hardest

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z