NotTim
At an ocean port, the water has a max depth of 4m above the mean level at 8 A.M, and the period is 12.4h. Find the depth of the water at 10 A.M.



This Question is Closed

NotTim
Best Response
You've already chosen the best response.
0
The equation is\[h=4\cos[\pi/6.2t8]\]

NotTim
Best Response
You've already chosen the best response.
0
My answer is 3.0505. The correct answer is 2.1

LagrangeSon678
Best Response
You've already chosen the best response.
1
is that the given equation

NotTim
Best Response
You've already chosen the best response.
0
Yes. I had to figure it out myself, but eventually I came to that.

LagrangeSon678
Best Response
You've already chosen the best response.
1
we have to take a look that function

NotTim
Best Response
You've already chosen the best response.
0
What about?

NotTim
Best Response
You've already chosen the best response.
0
I know that in this case, t=2, because of differetn start time.

LagrangeSon678
Best Response
You've already chosen the best response.
1
A=4

LagrangeSon678
Best Response
You've already chosen the best response.
1
hold on let me work this out

LagrangeSon678
Best Response
You've already chosen the best response.
1
okay, we have 12.4 as the period and we have the max depth as 4m at 8 am

NotTim
Best Response
You've already chosen the best response.
0
Affirmative?

LagrangeSon678
Best Response
You've already chosen the best response.
1
the the min should be at 6.2

NotTim
Best Response
You've already chosen the best response.
0
MY value for "b" is pi/6.2.

NotTim
Best Response
You've already chosen the best response.
0
Wadda bout my textbook?

LagrangeSon678
Best Response
You've already chosen the best response.
1
your right

NotTim
Best Response
You've already chosen the best response.
0
yay.

LagrangeSon678
Best Response
You've already chosen the best response.
1
im just lost man, let me see if i can get some more help

NotTim
Best Response
You've already chosen the best response.
0
Ok. I'm got tons more of these too. Heh.

NotTim
Best Response
You've already chosen the best response.
0
Internet timed out. Sorry. Haven't been able to fix that.

NotTim
Best Response
You've already chosen the best response.
0
I may be making a consistent error in every calc i do.

NotTim
Best Response
You've already chosen the best response.
0
I think I know why. T is not in a bracket with 8. As in (t8)