Magnification of concave lens is: 1. always less than 1
2. always greater than 1
3. always equal to 1
4. sometimes less and sometimes greater than 1

Zamir and talia raced through a maze. zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m east and 4 m north. talia walked 2 m north, 6 m east, 3 m south, 4 m east, and 4 m north. compare their displacements:

Describe the path of the electric current through a circuit?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?