Physics watch youtube videos and do work. need it in 4 hrs

what the following videos i attach and do the questions i upload

"Law of falling bodies", available at:

https://www.youtube.com/watch?v=XtMmeAjQTXc&index=1&list=PL8_xPU5epJddRABXqJ5h5G0dk-XGtA5cZ

https://www.youtube.com/watch?v=livG1fp-q8s&list=PL8_xPU5epJddRABXqJ5h5G0dk-XGtA5cZ&index=2

As you watch it, the answers to the questions (located on the folder labeled "video reports") should become apparent. Write your answers as detailed and completely as possible on a piece of paper.

Cosmic Voyage” it is very instructive and helps you visualize the multiple length scales we will be working with in this class.  You can watch the video here (it has three parts)

http://www.youtube.com/watch?v=cMRoDyc8W2k

http://www.youtube.com/watch?v=MCPBbjea1-g

http://www.youtube.com/watch?v=xkfyoF6Gbj0

8. Watch carefully all the video tutorials. They have conceptual information and examples of how to solve problems.  Also, the Kahn Academy is a good resource for getting help with problems.