caitlynladd
caitlynladd
08-04-2017
Mathematics
contestada
Can someone please help
Respuesta :
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
08-04-2017
the answer is: t= 5 second
Answer Link
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