According to NetEase News http://ent.163.com/14/0820/20/A449AUVV00031H2L.html , Jackie Chan angrily struck his son upon seeing him, sending Jaycee Chan flying 5 meters through the air. Knocking a grown man 5 meters away? Truly a martial arts family! Let's calculate this using high school physics knowledge first, neglecting air resistance. Method provided by a classmate. If air resistance is neglected, Jackie Chan could kick a soccer ball 700 meters. What is the national team coach doing? Hurry and recruit Jackie Chan to play soccer! With air resistance factored in, a distance of 300 meters (estimated) is still incredibly impressive. Moreover, the force behind Jackie Chan's kick to Jaycee would need to be even stronger. Actually, I just want to ask one thing:...