You are pushing horizontally with 132 N, on a 76.0 kg couch, which is at rest. The couchstarts to accelerate at 0.18 m/s?. What is the force of friction between the couch and carpet?

It's have to be 12 or idk

In atoms, the electron carries a negative elementary or unit charge; the proton carries a positive charge. the two types of charge are equal and opposite. in an atom of matter, an electrical charge occurs whenever the number of protons in the nucleus differs from the number of electrons surrounding that nucleus.

Blue light reflected from the ball enters human eyes.