The angular velocity (in rpm) of the blade of a blender is given in (Figure 1). At what time has the blade completed 20 full revolutions?

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.

The two required components for a generator are

How many atoms of nitrogen are in the chemical formula ni(w on