A49dash–yeardash–old male has been stabbed in the lower right chest. police tell you that the patient got into an argument with an unidentified man, who then stabbed him before fleeing the scene. after assessing the patient, you are suspicious that the knife punctured the lung and is causing internal bleeding. in this situation, the mechanism of injury would be:

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point