With what speed uuu does the ion exit the acceleration region.

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

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.

In a house all the electrical wires run back to either a bank or a blank