zirai15 asked:
According to the 1998 Guinness Book of World Records stuntman Dan Koko fell a distance of 331 feet into an airbag after jumping from the Vegas World Hotel and Casino. The distance d in feet traveled by a freefalling object in t seconds is given by the formula d = 16t 2. To the nearest tenth of a second, how long did the stuntman’s freefall last?
Select the correct answer.
5.6 seconds
3.5 seconds
6.0 seconds
4.5 seconds
none of these