A gold cylinder has a height of 5.5 cm. The density for gold is 19.3 g/cm^3. The mass of the cylinder is 25.5 grams. Determine the volume and radius of the cylinder. (Hint: Volume of cylinder is V = pie*r^2*h) *

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

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?