alexxiscdance alexxiscdance
  • 12-08-2017
  • Mathematics
contestada

A projectile is thrown upward so that its distance above the ground after t seconds is h = -16t2 + 440t.

After how many seconds does it reach its maximum height?

Respuesta :

amirreza688 amirreza688
  • 12-08-2017
find the derivative of h and then find its root
h = -16t^2 + 440t
h'=-32t+440
-32t+440=0
t=13.75 s

Answer Link

Otras preguntas

what punishment would a corporate violator of the sherman antitrust act face
I'm really struggling with this question. Please help!
___________ contains the Zagros Mountains, the Elburz Mountains, and the Kopet-Dag. A Iraq B Iran C Yemen D Saudi Arabia
A salesperson receives a 2.5% commission on sales. What commission does the salesperson receive for $8000 in sales?
Why do sport drinks contain sugar? Explain thoroughly:)!!
The brackets used to express concentration [ ], when making equilibrium constant calculations, indicate_____. grams per liter ounces per liter moles per lit
Are lines of symmetry also diagonals in a polygon? Explain.
What form is the underlined verb in the sentence? the leaves haven't fallen off the oak tree in the yard. a. present participle b. present c. past participle
Please help me out with this one.
How to write equation and solve