Which best describes empirical evidence? A.) It is based on scientific knowledge.
B.) It is the mathematical portion of data scientists gather in support of a scientific explanation.
C.) Scientific knowledge is based on empirical evidence.
D.) You cannot get it in many places.

The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

The ozone hole appears in antarctica during