An irregularly shaped stone was lowered into a graduated cylinder holding a volume of water equal to 2 ml. the height of the water rose to 7 ml. if the mass of the stone was 25 g, what was its density? t

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.