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Question:

How do I solve this physics problem?

Water flows through a fire hose of diameter 6.35 cm at a rate of 0.0090 m^3/s. The fire hose ends in a nozzle of inner diameter 2.40 cm. What is the speed with which the water exits the nozzle?

Answer:

Its not hard at all to replace your locks. The easiest and least expensive way is to replace the whole thing. Lowes and HomeDepot both have packs, and the key can be the same if you are replacing more than one lock. It cost more money when I began contacting locksmith to change the core. Your price range depends upon, number you are buying, style, door handle or deadbolt. I did four locks buying the higher end of each, 2 doorhandles, and 2 double sided deadbolts and I spent $80. I could have done the project cheaper but it was what I chose. You can also get these at other stores, such as Kmart, Walmart, Meijer, Sears. But HomeDepot and Lowes carried a wider selection and it was easier to ensure they were keyed the same.
Stretch is mostly right, with one exceptionthe locks must be all of the same brand, or use the same key blanks (the grooves in the keys must all be the same). IE: Weiser, Yale and Kwikset all have their own key patterns. Some of the budget brands use a pattern of one of the Major brands. If you can fit the key from your front door in the back door, garage door, ect, but it won't unlock it, then you can have the cores re-keyed so they are all alike.
That guy had to be totally trashed! I hope they throw the book at him, He could of been dragging a body, if he had no sense to realize he was dragging a chunk of steel^ But yes I would remove it if I could get it out. Maybe it was stuck he was to drunk to pull it out.

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