Physics, 05.09.2019 16:30 arianasg06
As a rain storm passes through a region, there is an associated drop in atmospheric pressure. if the height of a mercury barometer drops by 21.6 mm from the normal height, what is the atmospheric pressure (in pa)? normal atmospheric pressure is 1.013 ✕ 105 pa and the density of mercury is 13.6 g/cm3.
Answers: 1
Physics, 22.06.2019 22:50, mdg5605
The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?
Answers: 3
As a rain storm passes through a region, there is an associated drop in atmospheric pressure. if the...
Mathematics, 06.05.2020 22:14
Mathematics, 06.05.2020 22:14