Show JI i Ask zzi ' QbrI) Marilyn BY MAVILYN VOS SAVANT would remain —to aide ( that plane Each car wuuldgifr— 80 ales par banr to zara That b the amaaeMUagaataaoimlatSO —Chari— F Avia Oh mitt I was wrong However I wasn't thinking of the damage to the drivers but of the total energy present And the energy present in the moving collision (or the Hattie energy) is indeed twice as much as that in the stationary crash But even using the formula for kinetic energy as a basis the head-o-n crash of two can traveling at SO miles per hour is equal in force to one of them crashing into a stone wall at only 71 miles per hour— not 100 miles per hour (This is because it takes for more energy to increase the velocity than we would think) The 100 miles per hour referred to momentum which is something else entirely Nor did my answer take into account such things as frictional forces —without which can could neither be driven nor stopped Without friction you wouldn't be abb to walk and your pants would fall down! (I hope I don't now receive thousands of beers about suspenders) vos Savant w ho is listed in die Guinness “ BookefWoridRecordf under Highest PARADE Ask send it to: Marilyn IQ” 750 Third Ave New York NY 10017 Because of volume of mail personal replies are not possible If you have a question for Marilyn " 1 24 ISM MI It SURGEON GENERAL'S WARNING: Smoking By Pregnant Women May Result in Fetal Injury Premature Birth And Low Birth Weight |