A 20 kg box rests on a table. a. Identify the three action-reaction force pairs involved in the box sitting on the table.

b. What force does the earth exert on the box?

c. What force does the box exert on the earth?

If you mix chlorine lithium in nickel together which two elements would be the most reactive

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?

If the new moon happens on january 15th, what shape will it be on february 6th?