En un juego de rayuela, un disco adquiere una velocidad inicial de 6 m/s y recorre una distancia 8.5 m antes de quedar en reposo. Determine el coeficiente de friccion cinético entre el disco y la superficie donde se desliza el disco.

Ibelieve the answer is d. macula  hope my answer has you : )

Answershe should not have multiplied the sulfur atoms by the subscript 4

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.