Which statement best describes gay-lussac’s law?

a. pressure is inversely proportional to volume.
b. pressure is inversely proportional to temperature.
c. pressure is directly proportional to volume.
d. pressure is directly proportional to temperature.

What happens to the light rays when they hit the specimen?

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?

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.