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Elza [17]
3 years ago
14

How many minutes are in 240 days?

Physics
2 answers:
Orlov [11]3 years ago
7 0

Answer:

Hi there!

Your answer is;

345,600 mins per 240 days

Explanation:

First, start small

How many minutes are in one hour?

60mins per 1 hr

How many minutes per one day?

60 × 24= 1440

1440 mins per 1 day

How many minutes per 240 days?

1440× 240= 345600

345,600 mins per 240 days

Hope this helps

katrin2010 [14]3 years ago
6 0
345600 minutes! hope it helps <3
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Answer:

The time taken is   t = 40007 sec  

Explanation:

From the question we are told that

   The diameter of the egg is d_e = 5.5cm  = \frac{5.5}{100} = 5.5*10^{-2}m

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Using one term approximation

We have the

            \frac{T_e_f - T_b}{T_e - T_b}  = Ae^{-\lambda ^2 \tau}

The radius is  r = \frac{5.5*10^ {-2}}{2} =2.75*10^{-2}m     Note that this radius is approximation to that of  a real egg

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     The Biot number is mathematically represented as

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Substituting values  

               Bi = \frac{800 * 2.75 *10^{-2}}{0.607}

                    = 36.24

So for this value  which greater than 0.1 the  coefficient \lambda_1 \ and  \ A_1 is  

        \lambda = 3.06632

        A = 1.9942

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          \frac{74- 100}{4.3 - 100} = 1.9942 e^{-(3.0632^2) \tau}

          0.2717= 1.9942 e^{-(3.0632^2) \tau}

          0.2717= 1.9942 e^{-9.383 \tau}

           0.13624 =  e^{-9.383 \tau}

Taking natural log of both sides

           -1.993 =  -9.383\  \tau

          \tau =  0.2124

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          t = \frac{\tau r^2}{\alpha }

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         = \frac{0.2124 * 2.75 *10^{-2}}{0.146 *10^{-6}}

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