4 pleasee i have to submit in 10 minutes

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

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?