Brackish asked:
I don’t think I will ever be able to do these word problems (I asked about a different one earlier). I know these will probably be in my test, so I’m trying desparately to figure them out. This one is:
According to the 1998 Guinness Book of World Records stuntman Dan Koko fell a distance of 325 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.
6.2 seconds
4.5 seconds
5.6 seconds
6.0 seconds
none of these