You and your friend Peter are putting new shingles on a roof pitched at 22 . You're sitting on the very top of the roof when Peter, who is at the...

You and your friend Peter are putting new shingles on a roof pitched at 22 . You're sitting on the very top of the roof when Peter, who is at the edge of the roof directly below you, 5.5 away, asks you for the box of nails. Rather than carry the 2.5 box of nails down to Peter, you decide to give the box a push and have it slide down to him.