Katie drives one third of a trip at 70mph, She then speeds up to average 73mph for the entire trip. What was her second velocity?
wtf? second velocity?
in the original movie, superman, lois lane free falls off the top of a tall building and is rescued in mid-air by superman who from the ground directly below saw her falling. If the building was 1200 ft tall, super man saw her 1 second after she started falling, and he accelerated vertically to a terminal velocity of 140mph at 125 ft/s^2 how far from the ground did he rescue her?
I got lost between the words in and the... -.- stupid physics...