Two New Sciences motion and a naturally accelerated vertical motion which produces a parabolic curve. Two motions at right angles can be calculated using the sum of the squares. He shows in detail how to construct the parabolas in various situations and gives tables for altitude and range depending on the projected angle. [274] Air resistance shows itself in two ways: by affecting less dense bodies more and by offering greater resistance to faster bodies. A lead ball will fall slightly faster than an oak ball, but the difference with a stone ball is negligible. However the speed does not go on increasing
Fightin' Words throughout the board. Bonus tiles multiply the point value of any letter tile placed on them. Occasionally a player will be dealt a POW tile, which acts as any letter the player desires or replaces an existing letter tile on the game board. If a player replaces an existing letter tile with a POW tile, the letters attached to the newly placed POW tile must still form a word. In March 2012, Fightin' Words added a chat feature to the game. By enabling the chat feature on their profiles, players can chat with each other through the game. Fightin' Words