BIGJ61 BIGJ61
  • 22-02-2018
  • Mathematics
contestada

If an object is dropped from a height of 55 feet, d=-16t2+65 gives the height of the object after t seconds

If an object is dropped from a height of 55 feet d16t265 gives the height of the object after t seconds class=

Respuesta :

jimthompson5910 jimthompson5910
  • 22-02-2018
Plug in d = 0 and solve for t
d = -16t^2 + 55
0 = -16t^2 + 55
-55 = -16t^2
t^2 = -55/(-16)
t^2 = 55/16
t = sqrt(55/16)
t = 1.854

It takes approximately 1.854 seconds for the object to hit the ground
Answer Link

Otras preguntas

Christina is making a blanket for her baby granddaughter. The blanket will have ribbon around all 4 edges. There will be:94 feet of ribbon on the top edge94 fee
in ancient China, many aspects of life were ruled by the___ of Confucius.
plant roots can grow through cracks and what?
which is equal to 52 tens a 52,010 , b 5,210, c 5,200 d 520
Why did the Marbury v. madison case happen?
jessie sorted the coins in her bank. she made 7 stacks of 6 dimes and 8 stacks of 5 nickels. she then found 1 dime and 1 nickel. how many dimes and nickels does
What is a medial moraine, and how is it formed?
Multicellular organisms can be organized into what other levels?
in what way was the population of the middle colonies like the population of the united states today?
Multicellular organisms can be organized into what other levels?