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Question:

What causes dark green water in my pond? Just re filled yesterday and today dark green with no algae?

When I cleaned the pond, there was white stuff on rubber sheet. Cleaned that and filled and next day dark green water even with filter going all night..Put algae killer in with no results. help

Answer:

When which end of the Jeep goes over the bump? And which model and year of Jeep?
I'd go with some reflective tape - it can be found in certain hardware stores is easy to apply. And it can come in different colours as well.
It's not necessary to know the avg velocity since you can calculate it. anw, that's even better. I got 323589.98 for the Re value. So yours is ok. For part b, you need to look over the Moody chart to get the friction factor. From this, use the equation f2.D.(drop in pressure)/(density.length.V^2) play around the formula to find the drop pressure. I hope this helps. I have Fluid exam tomorrow too ^.0

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