A plastic block that has a length of 0.47 m, a width of 0.3 m, and a height of 0.37 m, and has a density of 690 kg/m3 floats in both water and oil.
(a) If the plastic block is floating at the surface of a tank of water (which has a density of 1000 kg/m3), what is the distance from the top of the block to the surface of the water?
? meters
(b)If the plastic block is floating at the surface of a tank of oil (which has a density of 900 kg/m3), what is the distance from the top of the block to the surface of the oil?
? meters