State the objects in the universe that reflect light from stars

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

Which atomic model was proposed as a result of j. j. thomson’s work?