2. A block of wood has a mass of 360 grams and a density of 60 g/cm3. What is the volume of the block of wood?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line