Maria Braum Kayla Kuffner Rebecca Ruch Robin Redline Kick 1 (3 steps back from ball) VELOCITY V=d/t V=3.359m/0.18s V=18.611m/s ACCELERATION a=vi-vf/t a=18.611m/s/0.18s a=103.39m/s2 MASS ball=0.43kg person=63.63kg FORCE f=ma f=0.43kgx103.39m/s2 f=44.57 N IMPULSE/MOMENTUM p=mv p=0.43kgx18.611m/s2 p=8.002kgm/s2 WORK/CONSERVATION OF ENERGY w=Fd w=44.57Nx3.359m w=149.71 J Kick 2 (9 steps back from ball) VELOCITY V=d/t V=4.452m/0.18s V=24.73m/s ACCELERATION a=vi-vf/t a=24.73m/s/0.18s a=137.38m/s2 MASS ball=0.43kg person=63.63kg FORCE f=ma f=0.43kgx137.38m/s2 f=59.07 N IMPULSE/MOMENTUM p=mv p=0.43kgx24.73m/s p=10.63 kgm/s2 WORK/CONSERVATION OF ENERGY w=Fd w=59.07Nx4.452m w=262.97 J CONCLUSION The velocity and acceleration of the ball were much greater with a larger running start. This makes the force, momentum, and work of the ball much greater with a running start as compared to a lesser distance of a running start. This makes the ball go farther in a less amount of time. Therefore, next time you're playin some soccer, get a bigger running start to kick the ball farther (if you want it to go farther). |