Why must someone be in charge of a crime scene.
Subject: Forensic Science

How are calculation for velocity and speed different

Does anyone have the answers to online physics course plato course physics, semester a v3.0

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?