SOLUTION: if a rocket is launched with an initial velocity of 64 feet per second, its height h(t),in feet, after t second is given by the formula h(t)=64t-16t^2. what is the height of this r

Algebra ->  Human-and-algebraic-language -> SOLUTION: if a rocket is launched with an initial velocity of 64 feet per second, its height h(t),in feet, after t second is given by the formula h(t)=64t-16t^2. what is the height of this r      Log On


   



Question 5448: if a rocket is launched with an initial velocity of 64 feet per second, its height h(t),in feet, after t second is given by the formula h(t)=64t-16t^2. what is the height of this rocket after 2 seconds?
thanks for your help!

Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
h%28t%29=64t-16t%5E2
h%282%29+=+64%2A2+-16%2A2%5E2
h%282%29+=+128+-+16%2A4
h%282%29+=+128+-+64
h%282%29+=+64 feet

R^2 at SCC