Acar traveling at 5 m/s accelerates at a rate of 3 m/s/s for a time of 6 seconds. what is the cars final velocity?

Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

What’s #16 asking me and how do i solve it?