SOLUTION: Throwing a wrench. An angry construction worker throws
his wrench downward from a height of 128 feet with an
initial velocity of 32 feet per second. The height of the
wrench abo
Algebra.Com
Question 190231: Throwing a wrench. An angry construction worker throws
his wrench downward from a height of 128 feet with an
initial velocity of 32 feet per second. The height of the
wrench above the ground after t seconds is given
by S(t)=-16t^2- 32t+ 128.
a) What is the height of the wrench after 1 second?
b) How long does it take for the wrench to reach the
ground?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Throwing a wrench. An angry construction worker throws
his wrench downward from a height of 128 feet with an
initial velocity of 32 feet per second. The height of the
wrench above the ground after t seconds is given
by S(t)=-16t^2- 32t+ 128.
a) What is the height of the wrench after 1 second?
S(1) = -16 - 32 + 128
S(1) = 80 feet at 1 second
-----------------
b) How long does it take for the wrench to reach the
ground?
S(t) = -16t^2 - 32t + 128 = 0
t^2 + 2t - 8 = 0
(t+4)*(t-2) = 0
t = 2 seconds
RELATED QUESTIONS
Throwing a wrench. An angry construction worker throws
his wrench downward from a height (answered by Alan3354,josmiceli)
Throwing a wrench. An angry construction worker throws his wrench downward from a height... (answered by jim_thompson5910,eperette)
Throwing a wrench. An angry construction worker throws
his wrench downward from a height (answered by jim_thompson5910)
Throwing a wrench. An angry construction worker throws
his wrench downward from a height (answered by jim_thompson5910)
Throwing a wrench. An angry construction worker throws
his wrench downward from a height (answered by ankor@dixie-net.com)
An angry construction worker throws his wrench downward from a height of 128 feet with an (answered by stanbon)
Throwing a wrench: An angry contruction worker throws his wrench downward from a height... (answered by Alan3354,Earlsdon)
I need help with this word problem about velocity please.
An angry construction worker (answered by josmiceli)
An angry construction worker throws his wrench downward from a height of 128 feet
with... (answered by ankor@dixie-net.com)