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How fast does a pistol bullet travel?
It depends on several factors, but it can be as slow a couple of hundred feet per second to as fast as a couple of thousand feet per second. Calibers that are considered standard, such as 9mm, .40, .45, etc typically travel between 800 feet per second and 1300 feet per second.
Which countries use the kelvin scale?
Afghanistan (308)Albania (93)Algeria (75)Andorra (94)Angola (51)Antigua and Barbuda (107)Argentina (2203)Armenia (217)Australia (87707)Austria (1994)Azerbaijan (125)Bahamas (1010)Bahrain (134)Bangladesh (459)Barbados (250)Belarus (204)Belgium (4157)Belize (734)Benin (23)Bhutan (91)Bolivia (224)Bosnia and Herzegovina (213)Botswana (161)Brazil (3081)Brunei (222)Bulgaria (849)Burkina Faso (47)Burundi (36)Cambodia (345)Cameroon (67)Canada (124784)Cape Verde (30)Central African Republic (24)Chad (41)Chile (1181)China (10716)Colombia (560)Comoros (28)Congo (Brazzaville) (35)Congo, Democratic Republic of the (79)Costa Rica (1205)Côte d'Ivoire (65)Croatia (829)Cuba (329)Cyprus (865)Czech Republic (2621)Denmark (4490)Djibouti (22)Dominica (103)Dominican Republic (561)East Timor (Timor Timur) (39)Ecuador (571)Egypt (970)El Salvador (182)Equatorial Guinea (30)Eritrea (37)Estonia (461)Ethiopia (136)Fiji (313)Finland (2599)France (19717)Gabon (28)Gambia, The (69)Georgia (237)Germany (9647)Ghana (176)Greece (5727)Grenada (111)Guatemala (279)Guinea (29)Guinea-Bissau (13)Guyana (90)Haiti (103)Honduras (211)Hungary (970)Iceland (1017)India (28001)Indonesia (4854)Iran (825)Iraq (341)Ireland (15546)Israel (3912)Italy (15028)Jamaica (582)Japan (7075)Jordan (700)Kazakhstan (142)Kenya (469)Kiribati (19)Korea, North (134)Korea, South (3988)Kuwait (253)Kyrgyzstan (71)Laos (111)Latvia (412)Lebanon (757)Lesotho (24)Liberia (60)Libya (70)Liechtenstein (72)Lithuania (399)Luxembourg (305)Madagascar (85)Malawi (94)Malaysia (6853)Maldives (150)Mali (66)Malta (462)Marshall Islands (30)Mauritania (66)Mauritius (143)Mexico (4871)Micronesia, Federated States of (92)Moldova (89)Monaco (196)Mongolia (215)Montenegro (25)Morocco (284)Mozambique (50)Myanmar (Burma) (238)Namibia (173)Nauru (22)Nepal (714)Netherlands (10866)New Zealand (21254)Nicaragua (166)Niger (48)Nigeria (318)Norway (1791)Oman (122)Pakistan (1726)Palau (35)Panama (314)Papua New Guinea (196)Paraguay (77)Peru (877)Philippines (5177)Poland (1379)Portugal (1705)Qatar (131)Republic of Macedonia (231)Romania (1057)Russia (3304)Rwanda (57)Saint Kitts and Nevis (58)Saint Lucia (93)Saint Vincent and The Grenadines (69)Samoa (46)San Marino (45)Sao Tome and Principe (28)Saudi Arabia (544)Senegal (90)Serbia (527)Seychelles (157)Sierra Leone (32)Singapore (10687)Slovakia (434)Slovenia (570)Solomon Islands (60)Somalia (86)South Africa (6870)Spain (9841)Sri Lanka (782)Sudan (213)Suriname (44)Swaziland (41)Sweden (4119)Switzerland (5035)Syria (358)Taiwan (4522)Tajikistan (44)Tanzania (287)Thailand (6720)Togo (50)Tonga (91)Trinidad and Tobago (271)Tunisia (122)Turkey (2305)Turkmenistan (42)Tuvalu (27)Uganda (170)Ukraine (801)United Arab Emirates (1052)United Kingdom (204070)United States (7065)Uruguay (181)Uzbekistan (166)Vanuatu (57)Vatican City (82)Venezuela (756)Vietnam (890)Web Directories@Western Sahara (9)Yemen (112)Zambia (97)Zimbabwe (225)
Lumbar MRI scan?
DefinitionA lumbar magnetic resonance imaging (MRI) scan is a noninvasive way to create detailed pictures of the part of the spine that runs through the lower back. This area is called the lumbar spine. It consists of five vertebrae called L1 to L5.Unlike x-raysand computed tomographic (CT) scans, which use radiation, MRI uses powerful magnets and radio waves. The MRI scanner contains the magnet. The magnetic field produced by an MRI is about 10 thousand times greater than the earth's.The magnetic field forces hydrogen atoms in the body to line up in a certain way (similar to how the needle on a compass moves when you hold it near a magnet). When radio waves are sent toward the lined-up hydrogen atoms, they bounce back, and a computer records the signal. Different types of tissues send back different signals.Single MRI images are called slices. The images can be stored on a computer or printed on film. One exam produces dozens or sometimes hundreds of images.See also:Cervical MRI scanMRIAlternative NamesMagnetic resonance imaging - lumbar spine; MRI - lower backHow the test is performedYou may be asked to wear a hospital gown or clothing without metal fasteners (such as sweatpants and a t-shirt). Certain types of metal can cause inaccurate images.You will lie on your back on a narrow table, which slides into the middle of the MRI machine.Some exams require a special dye (contrast). The dye is usually given before the test through a vein (IV) in your hand or forearm. The dye helps the radiologist see certain areas more clearly.During the MRI, the person who operates the machine will watch you from another room. Several sets of images are usually needed, each taking 2 - 15 minutes. Depending on the type of equipment, the exam may take 1 hour or longer.How to prepare for the testYou may be asked not to eat or drink anything for 4 - 6 hours before the scan.Before the test, tell the radiologist if you currently undergo dialysis, as this may affect whether you can have IV contrast.If you fear confined spaces (have claustrophobia), tell your doctor before the exam. You may be given a medicine to help you feel sleepy and less anxious, or your doctor may recommend an "open" MRI, in which the machine is not as close to the body.The strong magnetic fields created during an MRI can interfere with certain implants, particularly pacemakers. People with cardiac pacemakers cannot have an MRI and should not enter an MRI area.You may not be able to have an MRI if you have any of the following metallic objects in your body:Brain aneurysm clipsCertain artificial heart valvesInner ear (cochlear) implantsRecently placed artificial jointsSome older types of vascular stentsTell your health care provider if you have one of these devices when scheduling the test, so the exact type of metal can be determined.Before an MRI, sheet metal workers or any person who may have been exposed to small metal fragments should receive a skull x-ray to check for metal in the eyes.Because the MRI contains a magnet, metal-containing objects such as pens, pocketknives, and eyeglasses may fly across the room. This can be dangerous, so they are not allowed into the scanner area.Other metallic objects are also not allowed into the room:Items such as jewelry, watches, credit cards, and hearing aids can be damaged.Pins, hairpins, metal zippers, and similar metallic items can distort the images.Removable dental work should be taken out just before the scan.How the test will feelAn MRI exam causes no pain. Some people may become anxious inside the scanner. If you have difficulty lying still or are very anxious, you may be given a mild sedative. Excessive movement can blur MRI images and cause errors.The table may be hard or cold, but you can request a blanket or pillow. The machine produces loud thumping and humming noises when turned on. You can wear ear plugs to help reduce the noise.An intercom in the room allows you to speak to the person operating the scanner at any time. Some MRIs have televisions and special headphones that you can use to help the time pass.There is no recovery time, unless you need sedation. After an MRI scan, you can resume your normal diet, activity, and medications.Why the test is performedYour doctor may order a lumbar MRI if you have signs or symptoms of:Birth defects of the lower spineInfection that involves your lower spineInjury or trauma to the lower spineMultiple sclerosisLow back or leg pain that is severe or does not get better after treatment by your doctorLow back pain and weakness, numbness, or other unusual findings on physical examSevere scoliosisSyringomyeliaTumor or cancer in the spineUnexplained bowel or bladder incontinence or retentionThe test may also be done if you have:Abnormal findings on a x-ray or CT scan of the spineMRI usually works better than CT in evaluating herniated discs, spinal stenosis, abscesses, bone infections, tumors, or other masses near the spinal cord. While CT is better at detecting fractures of the lumbar spine, MRI can detect subtle changes in the bone that may be due to infection or tumor.It may also be done before lumbar spinal surgery.Normal ValuesResults are considered normal if the spine and surrounding nerves are normal in appearance.What abnormal results meanResults depend on the nature of the problem. Different types of tissues send back different MRI signals. For example, healthy tissue sends back a slightly different signal than cancerous tissue.Abnormal results may be due to:Ankylosing spondylitisCauda equina syndromeCompression fractures of the lower backDisk degenerationDisk inflammation (diskitis)Herniated disk (lumbar radiculopathy)OsteomyelitisOsteoporosisSpinal cord abscessSpinal cord injurySpinal stenosisSpinal tumorSyringomyeliaConsult your health care provider with any questions and concerns.What the risks areMRI contains no ionizing radiation. To date, there have been no documented significant side effects of the magnetic fields and radio waves used on the human body.The most common type of contrast (dye) used is gadolinium. It is very safe. Allergic reactions to the substance rarely occur. The person operating the machine will monitor your heart rate and breathing.MRI is usually not recommended for acute trauma situations, because tractionand life-support equipment cannot safely enter the scanner area and the exam can take quite a bit of time.People have been harmed in MRI machines when they did not remove metal objects from their clothes or when metal objects were left in the room by others.Special considerationsTests that may be done instead of an MRI include:Bone scanLumbosacral spine CT scanLumbosacral spine x-rayA CT scan may be done in emergency cases, because it is faster and usually available right in the emergency room.ReferencesWilkinson ID, Paley MNJ. Magnetic resonance imaging: basic principles. In: Grainger RC, Allison D, Adam, Dixon AK, eds. Diagnostic Radiology: A Textbook of Medical Imaging. 5th ed. New York, NY: Churchill Livingstone; 2008:chap 5.Introduction. In: Mettler FA Jr. Essentials of Radiology. 2nd ed. Philadelphia, Pa: Saunders Elsevier; 2005:chap 1.Katz JN, Harris MB. Clinical practice. Lumbar spinal stenosis. N EnglJMed. 2008;358(8):818-825.Chou R, Qaseem A, et al. Diagnosis and treatment of low back pain: a joint clinical practice guideline from the American College of Physicians and the American Pain Society. Ann Intern Med. 2007;147(7):478-491.The Spine. In: Grainger RC, Allison D, Adam, Dixon AK, eds. Diagnostic Radiology: A Textbook of Medical Imaging. 5th ed. New York, NY: Churchill Livingstone; 2008:chap 60
How much can mike Vick bench press?
825
How many kilometers in 825 yards?
825 yd = 0.75438 km
How many times does 25 go into 825?
825 ÷ 25 = 33
How many tomes does 825 go into15?
Divide it in to the number 825 divide by 15 is 55
825 m equals how many km?
825 Meters (m) = 0.825 Kilometers (km)
825 feet equals how many yards?
One yard is equal to 3 feet. Therefore, 825 feet is equal to 825 / 3 = 275 yards.
How many milligrams in 825 grams?
825 grams = 825,000 mg. 1 gr. = 1000 mg.
How many pound are in 825 tons?
It depends on where you live.In the US, a "ton" is equal to 2000 lbs (pounds).In the UK, a "ton" isequal to2240 lbs.A tonne, or metric ton is equal to 1000 kg.Because you used pounds, I'll give you the conversion for a US ton.Conversion Factor:1 ton = 2000 lbsConversion factors can be written as fractions, where one side of the equation is in the numerator and one side of the equation is in the denominator.Example: (1 ton/2000 lbs) or (2000 lbs / 1 ton)Multiply what you are trying to convert by the conversion factor, in such a way where units cancel. Remember, units can cancel in a fraction just like any other term can.825 tons x (2000 lbs / 1 ton) = (825 x 2000) lbs = 1,650,000 pounds(one million six hundred and fifty thousand pounds)The answer is 1,650,000 lbs.
How many kilometers are in 825 m?
825 m = 0.825 kmTo convert from m to km, divide by 1000.
How many meters is 825 inches?
20.95
HOW MANY pints are in 825 milliliter?
1.74
What does 825 equal as a fraction?
825 as a fraction = 825/1
