The cloud chamber is filled with isopropyl alcohol vapor. The chamber is warm at the top, extremely cold at the bottom. At a certain height, the temperature is low enough that the vapor will condense to make droplets, a cloud, if there is something for a droplet to form on, a nucleation site. This can be a dust particle, or the ions produced by ionizing radiation traversing the chamber. This is the source of the trails of cloud that appear in the chamber; these are the tracks of high-energy charged particles. If you compared the track of an alpha particle and a beta particle, the track of the alpha particle would be , but the track of the beta particle would be .

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

The inner planets or call terrestrial because they

You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?