You are measuring the volume of a chemical beaker how would u take the measurment? a. lift the beaker to eye level
b. you look down at the liquid above
c. use a ruler to measure
d. you squat to be eye level to the beaker

Apossible explanation for a set of facts that can be tested by further investigation is called

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?

In which of these cases are the two wave points considered to be in phase with each other?