A 0,25 kg arrow with a velocity if 12m/s west strikes and pierces the center of a movable 6,8if target what is the decrease in the arrow's kinetic energy during the collision​

answer: the answer is a

it would be kevlar ^^

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.