balindawmcdotlzzo
balindawmcdotlzzo balindawmcdotlzzo
  • 03-08-2017
  • Mathematics
contestada

the height of an object dropped from the top of a 320-meter building is given by h(t)= -5t^2+320. how long will it take the object to hit the ground

Respuesta :

raindieou3j5e
raindieou3j5e raindieou3j5e
  • 03-08-2017
0=320-5t^2
320=5t^2
t^2=64
t^2=8^2
t=8
Answer Link

Otras preguntas

What is the structural formula of pentyl alcohol?
Name two things that would be different on our planet if we did not have a magnetic field.
What is the main function of RNA, and how does it help DNA?
Please explain how you got each answer thoughally(explain the steps)
on the highway Anita drove an average speed of 60.2 miles per hour at that speed about how far can she travel in three and a half hours at the same speed about
Roger Chillingworth exacting his revenge on Reverend Dimmesdale is an example of what type of conflict
The separate work of broca and of wernicke provided the first compelling clinical evidence that language and speech functions are performed primarily by the ___
Simplify the expressions. Show your work. (x + 6)^2
9. A cliché is a _______ expression. A. new B. wordy C. creative D. worn-out
How many revolutions does the object make during the first 3.9 s?