A beam of 6Li and 7Li ions passes through a velocity selector and enters a magnetic spectrometer. If the diameter of the orbit of the 6Li ions is 18 cm, what is the diameter of that for 7Li ions?

Acar tire has a pressure of 2.38 atm at 15.2 c. if the pressure inside reached 4.08 atm, the tire will explode. how hot would the tire have to get for this to happen? report the temperature in degrees celsius.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?