Peoples Physics Book Version-3

4.1. The Big Idea http://www.ck12.org

1. 3.5 s.


2. 35 m; 15 m


3. 40 m; 8.5 m


4. 1.3 seconds, 7.1 meters


5. 50 m;v 0 y=30 m/s; 50^0 ; on the way up


6. 4.4 s


7. 19◦


8. 0.5 s


9. 2.3 m/s


10. 6 m


11. 1.4 seconds


12. yes


13. 14 m/s @ 23 degrees from horizontal


14. 22 m/s @ 62 degrees