Question

I don’t know how to do 5, 6 or 7.

5. Caloulate the total time of flight of a projeotile launched at a 65 angle of inolination above level ground if ite initial speed ia 100 m/a. The projectile ia launched from ground level. Anawer: 1.85 a Caloulate the initial apeed neceaaary for a projeotile to have the aame range aa that of the previoua problem if it ia launched at an angle of 25 6. In 1990, Randy Barnea of UOLA aet the ourrent world reoord for the ahot put at 75 feet and 1025 İnohea (23.12 metera). (You oan watch the YouTube video!) Aaaume he hurled the 16 pound, ateel ball at an initial angle of 45 above the ground. Further aasume he released the ahot 2.20 metera above the ground and the total time of light ia 2.277 eo. Show how to caloulate the maximum height the ahot reached above the release point. Verify this height ia 7.46 metera. 7.

Answer 1