Who first described the continuous circulation of blood through the human body?

According to the tide table below what time of day will the highest tide occur?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?