Why do substances with free electrons make the best conductors.

Orange juice has a lower or higher viscosity than chocolate syrup

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.