PLEASE help
If a book is placed
on a table name all the forces acting on the book.

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes