caitlynladd
caitlynladd caitlynladd
  • 08-04-2017
  • Mathematics
contestada

Can someone please help






Can someone please help class=

Respuesta :

irspow
irspow irspow
  • 08-04-2017
y=-16t^2+400, The camera will hit the water when y=0 so:

16t^2=400

t^2=25

t=√25, and since t≥0

t=5 seconds


Answer Link
LuHanLH7
LuHanLH7 LuHanLH7
  • 08-04-2017
the answer is: t= 5 second
Answer Link

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