From the law of Galileo Galilei :v²=v₀²+2ad we take the speed
v²=0+2*4.90*200=1960=>v=√1960=44.27 m/s
Kinetic Energy means <span>energy that a body possesses by virtue of being in motion. I hope im not too late</span>
Individuals have different traits because they are not twins so they should not be alike also because people have different genes witch would give them different traits. For example not every individual has blonde hair and blue eyes because they did not inherit those traits.
They cause an increase in temp of earths atmosphere or warming by absorbing solar energy. hope this helps