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What is the formula for a great circle?

What is the formula for a great circle? We can work out the length e directly, as the great circle between P and S is the line of longitude, so e2=4haversin(ϕ2−ϕ1). How do you find the intersection of a sphere and a line? Intersection of a Line and a Sphere (or circle) If it equals 0 then the line is a tangent to the sphere intersecting it at one point, namely at u = -b/2a. If it is greater then 0 the line intersects the sphere at two points. Which lines represent a great circle? The Equator is the only...
Easy lifehacks

How much ballistic gel can a 9mm penetrate?

How much ballistic gel can a 9mm penetrate? Going with a load penetrating 12″ or more gives you reliable terminal effects. Essentially, deeper wounds offer more tissue damage, meaning more blood loss to lower blood pressure faster. Here, a 115-gr. 9mm at 1,110 fps penetrated about 9" in bare gel. How much ballistic gel does it take to stop a bullet? The FBI recommends ammunition used for defensive purposes penetrate no more than 18 inches in order to limit the possibility of over-penetration. We are also aware of many instances where bullets that normally penetrate more than the FBI recommended...
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What is the number one dog training collar?

What is the number one dog training collar? Best Overall: Educator E-Collar Remote Dog Training Collar The remote has settings for a tone, vibration, regular stimulation, and boosted stimulation, and the collar even has a tracking light for nighttime use. What is the best shock training collar for dogs? The Best Dog Shock Collars in 2021 DOG CARE Dog Shock Collar. Educator E-Collar Dog Training Collar. NBJU Bark Collar for Dogs. Garmin Delta XC Bundle Dog Training Device. SportDOG Brand Rechargeable Dog Training Collar. Petrainer Rechargeable Dog Shock Collar. iPets Waterproof & Rechargeable Dog Shock Collar. Which e-collar is best?...
Common questions

What is norepinephrine neurotransmitter?

What is norepinephrine neurotransmitter? Norepinephrine also called noradrenaline is both a hormone, produced by the adrenal glands, and a neurotransmitter, a chemical messenger which transmits signals across nerve endings in the body. Together with other hormones, norepinephrine helps the body respond to stress and exercise. What is norepinephrine? (NOR-eh-pih-NEH-frin) A chemical made by some nerve cells and in the adrenal gland. It can act as both a neurotransmitter (a chemical messenger used by nerve cells) and a hormone (a chemical that travels in the blood and controls the actions of other cells or organs). How does norepinephrine work as a...
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Is the Cybex cloud Q worth it?

Is the Cybex cloud Q worth it? The Bottom Line The Cybex Cloud Q is a great car seat with lots of unique features. It will do well for many families as long as they're willing to read the instructions carefully, and the LSP system is an excellent idea for additional protection against injuries in side-impact crashes. What is the difference between Cybex Cloud Q and Cloud Q Plus? The main difference between the Cybex Cloud Q and the Cloud Q Plus is the fabric. While the original Cloud Q is made with soft, plush fabric, the Cloud Q Plus...
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Is Montparnasse safe?

Is Montparnasse safe? and voila, Montparnasse was born. A sign in the metro at Gare Montparnasse in Paris, France. The area is neither fancy nor struggling, and is a haven for families that live and work in Paris. As such it's a good destination for tourists looking for safe and decently-priced lodging. What happened to Gare Montparnasse? 1895 derailment The engine careered across almost 30 metres (100 ft) of the station concourse, crashed through a 60-centimetre (2 ft) thick wall, shot across a terrace and smashed out of the station, plummeting onto the Place de Rennes 10 metres (33 ft)...
Common questions

Is the IRA illegal?

Is the IRA illegal? The Real Irish Republican Army, or Real IRA (RIRA), is a dissident Irish republican paramilitary group that aims to bring about a United Ireland. It is an illegal organisation in the Republic of Ireland and designated as a proscribed terrorist organisation in the United Kingdom and the United States. Did Sinn Fein support IRA? Sinn Féin is the largest Irish republican political party, and was historically associated with the IRA, while also having been associated with the Provisional IRA in the party's modern incarnation. Sinn Féin maintains the propaganda war and is the public and political...
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Are Evinrude Etecs reliable?

Are Evinrude Etecs reliable? Not great, but very, very good. For the most part, the engine has always started reliably, and runs like a clock. Over the last 10 years, we've only had two problems that can be attributed to manufacturing or design issues: One fuel injector failed under warranty. What happened to Evinrude E-TEC? Evinrude motors parent company, Bombardier Recreational Products (BRP), announced last week that it would discontinue manufacturing of its Evinrude E-TEC and E-TEC G2 outboard engines. Instead, the company will focus on growing its boat brands and developing technology and innovation of other marine products. How...
Easy lifehacks

What is the coldest month in Manchester?

What is the coldest month in Manchester? January Average Temperature in Manchester The cool season lasts for 4.0 months, from November 19 to March 17, with an average daily high temperature below 50°F. The coldest month of the year in Manchester is January, with an average low of 37°F and high of 46°F. Why is Manchester weather so bad? Manchester has a temperate, maritime climate. The weather is made even more changeable and unpredictable due to the proximity of highland areas to the north and east of the city. Temperatures to the south and west of the city centre are...
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Does Netflix have Constantine?

Does Netflix have Constantine? Yes, Constantine is now available on Philippine Netflix. It arrived for online streaming on July 30, 2021. Where can I watch Constantine in the UK? Constantine is now available to watch online in the UK on Amazon Prime Instant Video, where it will be released within 24 hours of the show's US broadcast. Is Constantine streaming anywhere? You are able to stream Constantine by renting or purchasing on Amazon Instant Video, Google Play, Vudu, and iTunes. Where can I watch Constantine on Netflix? Watch Constantine on Netflix Today! NetflixMovies.com. Is Constantine worth watching? So even though...