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What is the power like 850 feet per second? - Optics

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Would need to know the weight of the projectile to work out the power PW*(850*850) /450240 = ftlbs
If that helps

Posted on Apr 18, 2015

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Can you help me i need a pump that will produce 1 GPM thru 250' x 1/2" tubing @ 10psi


You can convert pipe size to gallons per minute of flow by calculating the cross-sectional area of the pipe and making some reasonable assumptions about pipe volume and the rate of flow. Pipe sizing is measured by the internal diameter of the pipe, not the overall outside diameter. Once determined, the overall volume can be calculated. Pipe flow is described in gallons per minute. Shorter lengths of pipe will have a greater flow than a longer length of the same diameter. This is caused by internal resistance of the pipe itself. By the same reasoning a larger diameter pipe will have a greater flow or GPM than a smaller pipe at the same pressure or flow rate. Pressure is described as pounds per square inch. The square-inch measurement is determined by the area of the pipe. The pounds are the amount of force that is placed on the liquid to push it through the enclosed space.With that background, you can estimate the flow based on the pipe size.
Find the cross-section area of the pipe. Area is equal to pi times the radius squared or a = 3.14 x r2. A two-inch diameter pipe would have a cross-section area of 3.14 x 12 or 3.14 square inches.
Understand that water has a certain pressure associated with the height of that water. One pound of water pressure, or 1 PSI, is equal to 2.31 feet of elevation in height. In other words, a 1-inch column or pipe of water that is 2.31 feet high will have a pressure of 1 PSI. The overall height -- not volume -- of the pipe corresponds to the pressure. A 6-inch diameter pipe that is 2.31 feet high will only have 1 PSI.
Find the volume of the 2-inch diameter pipe in Step 1 that has a length of 10 feet. Ten feet is equal to 120 inches. Multiply 3.14 square inches, the cross sectional area, times the length. The volume of the pipe is equal to 376.8 cubic inches of volume.
Convert cubic inches into cubic feet. One cubic foot equals 1,728 cubic inches. Divide 376.8 cubic inches by 1,728 cubic inches per cubic foot and the answer is .218 cubic feet. This means that the 2-inch diameter pipe that is 10 feet long has an internal volume of .218 cubic feet.
Calculate the amount of water that can be contained in the section of pipe at any given time. One cubic foot of water is equal to 7.48 gallons. Multiply 7.48 gallons by .218 cubic feet and the amount of water in the pipe is equal to 1.63 gallons.
Find the GPM if the flow of water is one foot per second. Multiply the one-foot per second flow by 60 seconds per minute and the flow is now 60 feet per minute. In other words the water will flow through the 10-foot pipe six full volumes for every minute. Since the piping contains 1.63 gallons per 10 feet of pipe, multiply 1.63 by six and the final GPM is equal to 9.78 GPM of water flow from the 2-inch diameter pipe.

Jan 19, 2018 | Plumbing

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WHAT IS THE SQUARE FOOTAGE OF A 14 BY 70 MOBILE HOME.


Hi Sharee:
The square footage is 14 times 70 equals 980 square feet.
That would be the Floor Area.
Air conditioners sometimes need to know the building volume so if you have 8 ft ceilings you would multiple 980 by 8 to get 7,840 CUBIC FEET.
Air exchange is typically are rated at cubic feet per minute and required as "specified Air Changes per Hour.
An example for your trailer would be 1/2 air change per hour required per building code. 7,840 times 1/2 equals 3920 cubic feet per hour. Divide that by 60 to get 65 cubic feet per minute.
That would be the minimum air change capacity for your air conditioner if it was also providing required ventilation.

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I need specs for an 850 volvo coil ie primary and secondary resistance


Specifications per VADIS 1993 Volvo 850 2.4 Non Turbo:
Ignition Coil, power stage:
Resistance between terminals 1 and 15 (primary winding):0.5-1.5 Ohm
Resistance between terminals15 and HT terminal (secondary winding): 8-9 kOhm

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Can anyone give reviews about Sportsman XP 850 H.O. EPS?


XP 850 H.O. EPS is one the best products from Polaris Sportsman series. As per my personal experience it is awesome. It is coming with some smart features like: Powerful 850 EFI High Output Engine,
Anti-Kickback Steering, etc.
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METRES PER SECOND TO FEET PER SECOND


One foot is exactly 0.3048 metres. One metre is 1/0.3048 feet or about 3.28 feet. So one metre per second is about 3.28 feet per second.

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1 Answer

Quadratic formula


The answer is yes.

The acceleration due to gravity is approximately 32 feet per second or 9.8 meters per second. If you're measuring the distance in feet use 16, if you're measuring in meters then use 4.9.

Nov 12, 2013 | Office Equipment & Supplies

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I Need To Know What Size Box to Build.. To Get The Best Sound Out OF The R 10's


Depending on the amount of speaker that you have, Alpine recommends that you use anywhere from .85 cubic feet to 1.25 cubic feet per subwoofer. This choice will be reflected by the sound of your subwoofers. If you choose to use .85 cubic feet per subwoofer, you will get a tight sound without excessive cone excursion.
However, if you decide to use 1.25 cubic feet per subwoofer, your subwoofers will hit lower notes and be able to handle more power.
These are factors that you, as a listener, will have to bear in mind when choosing a subwoofer enclosure. Regardless, enjoy your speakers!

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