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3 years ago

How can you drop two eggs the fewest amount of times, without them breaking?

1 answer:

7 0

You can use like a thickish paper but not to heavy and do it spiral and fall it with bubble paper and light things and then you spin it while you drop and it won’t crack

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Some Tiny College staff employees i s are information technology (IT) personnel. Some IT personnel provide technology support fo

Westkost [7]

Answer:

solution in the picture attached

Explanation:

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3 years ago

An engineer is applying dimensional analysis to study the flow of air through this horizontal sudden contraction for the purpose

navik [9.2K]

Answer:

The answer is " $\Delta p = f(V1, p, V2, d, D, L)$ "

Explanation:

Please find the complete question in the attached file.

Its change in temperature in pipes depends on rate heads and loss in pipes owing to pipe flow, contractual loss, etc.

The temperature change thus relies on V1 v2 p d D L.

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3 years ago

The function below takes two numeric parameters. The first parameter specifies the number of hours a person worked and the secon

Mekhanik [1.2K]

def calculate_pay(total_worked_hours, rate_per_hour):

if total_hours_worked > 40:

# anything over 40 hours earns the overtime rate

overtimeRate = 2 * rate _per_hour

return (40 * rate_per_hour) + ((total_worked_hours - 40) * overtimeRate

else:

# if you didn't work over 40 hours, there is no overtime

overtime = 0

return total_worked_hours * rate_per_hour

Explanation:

First we create the calculate_pay function which will takes 2 parameters.

Secondly ,inside the function we check if the total_worked_hours is greater than 40 and then return the pay by calculating with the help of formula for work over 40 hours.
If the total work hour is less than 40 then we return the pay by multiplying the total_worked_hours with rate_per_hour.

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3 years ago

Describe with an example how corroded structures can lead to environment pollution?

Reil [10]

An example to describe how it can lead to environment pollution is littering into the oceans , that’s one example how it can help lead to environment pollution , Hope this helps !

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3 years ago

Water flows in a constant diameter pipe with the following conditions measured:

Burka [1]

Answer:

a) $h_L=-3.331ft$

b) The flow would be going from section (b) to section (a)

Explanation:

1) Notation

$p_a =31.1psi=4478.4\frac{lb}{ft^2}$

$p_b =27.3psi=3931.2\frac{lb}{ft^2}$

For above conversions we use the conversion factor $1psi=144\frac{lb}{ft^2}$

$z_a =56.7ft$

$z_a =68.8ft$

$h_L =?$ head loss from section

2) Formulas and definitions

For this case we can apply the Bernoulli equation between the sections given (a) and (b). Is important to remember that this equation allows en energy balance since represent the sum of all the energies in a fluid, and this sum need to be constant at any point selected.

The formula is given by:

$\frac{p_a}{\gamma}+\frac{V_a^2}{2g}+z_a =\frac{p_b}{\gamma}+\frac{V_b^2}{2g}+z_b +h_L$

Since we have a constant section on the piple we have the same area and flow, then the velocities at point (a) and (b) would be the same, and we have just this expression:

$\frac{p_a}{\gamma}+z_a =\frac{p_b}{\gamma}+z_b +h_L$

3)Part a

And on this case we have all the values in order to replace and solve for $h_L$

$\frac{4478.4\frac{lb}{ft^2}}{62.4\frac{lb}{ft^3}}+56.7ft=\frac{3931.2\frac{lb}{ft^2}}{62.4\frac{lb}{ft^3}}+68.8ft +h_L$

$h_L=(71.769+56.7-63-68.8)ft=-3.331ft$

4)Part b

Analyzing the value obtained for $\h_L$ is a negative value, so on this case this means that the flow would be going from section (b) to section (a).

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3 years ago