Use the Velocity versus time graph to answer the question: At which point(s) on the graph is the object have acceleration? Section A
Section B
Section C
Section A & C
Sections A, B, & C

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?

What is the relationship between globular clusters and the milky way?

Is a volume of space that is empty of matter.