The eighth season of American Idol premiered on January 13, 2009, and concluded on May 20, 2009. Judges Simon Cowell, Paula Abdul, and Randy Jackson continued to judge the show's contestants, along with Ryan Seacrest as host. Jamar Rogers, who was cut in the green mile round in this season of American Idol, would go on as contestant on the second season of NBC 's The Voice and made it to the Semi-Final round before being eliminated.
The forces acting on a falling leaf are A. air resistance and fluid friction. B. gravity and air resistance. C. gravity and static friction. D. weight and rolling friction. The forces acting on a falling leaf are : gravity and air resistance.
The pressure of water vapor and oxygen is higher inside the leafâs free space than in the atmosphere, whereas the partial pressure of carbon dioxide is greater in the atmosphere than within the free space. Thus, the impetus is for the former two gases to move out of the plant and for the latter to enter it.