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aerodynamics - did the f-8 have a stall speed of 1.6x its landing speed?


wikipedia says that the f-8 was to havea landing speed of no more than 100 mph (160 km/h)this web page says that the f-8 did havestalling speed 157 mph.the two don't explicitly discuss exactly the same thing, but i do note that e.g. the quoted cruise speed of 570 mph agrees on both. unfortunately, neither page seems to specify the actual landing speed of the final aircraft.from an aerodynamics perspective, this doesn't really make sense to me: it seems awfully difficult, to not say outright impossible, to have a stall speed that is significantly higher than the landing speed. intuitively, the two should be just about the same, or the landing speed should be higher than the stall speed.did the f-8 actually have a stall speed of around 1.6 times its landing speed as suggested?is that even ..






dnd 5e - does heavy armor reduce your speed?


i noticed in the phb, page 20, under speed for dwarves:speed. your base walking speed is 25 feet. your speed is not reduced by wearing heavy armor.however, i cannot find anywhere in phb that mentions that wearing heavy armor imposes any speed reduction.does anyone know if i've missed something, or if this is actually some inconsistency in the book and heavy armor in fact doesn't impose any speed reduction?






e3 2017: 'need for speed: payback' first impressions - geeknifty


tuxmask55|1h ago|preview|1|need for speed is back – but how much more speed is needed? 2017e3need for speed paybackpcps4xbox onegeeknifty.comread full story >>geeknifty.com






speed of light vs speed of electricity


it would depend all on the circumstances of the medium the light is traveling through, and the type of wire electricity is passing. however, if both are able to be neglected, the speed of light will be faster. the reason for this is because light is an electromagnetic wave, meaning it has no mass, since photons don't have mass. on the other hand, electricity is a flow of electrons, which have a mass, and although little, it will affect the overall speed. however when in this case, we are talking about the speed of the electrons. if talking of the speed of the energy flowing will always equal the speed of light no matter what. usually though, the speed is calculated of the energy going through the wire, which is then slower than that of light. a clearer explanation is shown here:https://ww.






why download speed not increased in ssd?


i upgraded my hard drive from hdd to ssd.there is no change in download speed. reviewer says ssd has very good write speed but why that does not increase download speed?






need for speed goes back to fast and furious style racing and storytelling | med


mediastinger|1h ago|preview|0|mediastinger: "need for speed fans who loved 2011’s the run will be happy to know that the series is going back to its high speed racing roots with the upcoming launch of need for speed payback." 2017e3need for speed paybackpcps4xbox onemediastinger.comread full story >>mediastinger.com






need for speed payback review – grinding for speed and power | terminalgamer


terminalgamer|37m ago|review|1|the long lived need for speed franchise has added another game to its long list of titles, but is need for speed payback worthy of your time and money? need for speed paybackpcps4xbox oneterminalgamer.comread full story >>terminalgamer.com






need for speed payback review - xbox tavern


cloudstrife900|1h ago|review|0|need for speed has certainly been through the ringer over the years, but does need for speed payback's shift to action-racing do the series justice? need for speed paybackpcps4xbox onexboxtavern.comread full story >>xboxtavern.com






discipline - my 16 year old daughter got a speeding ticket


disclaimer: i satisfy my speed cravings by breaking speed limits on a bicycle. i've done worse than your daughter. if you do it just right, a speed bump on a steep downhill results in a really satisfying flight time. also works with rollerblades. also, getting a ticket for going 55km/h on a bicycle on flat road without wind in your back kinda counts as a trophy.end disclaimer (and i don't recommend doing that obviously)so about 3 weeks ago my 16 year old daughter go a speeding ticket for doing 46 in a 20.ok, this is insane.here, 20mph is about 30kph, so there will be speed bumps.46mph is 74 kph !!!! going over a speed bump at that speed is just crazy. some of the wheels will leave the ground. if there was a speed bump (and in a 20mph zone, there should be at least one) and she says "oh ...






discipline - daughter got a speeding ticket


disclaimer: i satisfy my speed cravings by breaking speed limits on a bicycle. i've done worse than your daughter. if you do it just right, a speed bump on a steep downhill results in a really satisfying flight time. also works with rollerblades. also, getting a ticket for going 55km/h on a bicycle on flat road without wind in your back kinda counts as a trophy.so about 3 weeks ago my 16 year old daughter go a speeding ticket for doing 46 in a 20.ok, this is insane.here, 20mph is about 30kph, so there will be speed bumps.46mph is 74 kph !!!! going over a speed bump at that speed is just crazy. some of the wheels will leave the ground. if there was a speed bump (and in a 20mph zone, there should be at least one) and she says "oh i didn't notice" then... nope. nope, nope, she should have...






need for speed: payback's biggest issue is a lack of identity


melons|2h ago|opinion piece|2|maybe it's time to send the need for speed series off to the scrapyard for good. need for speed paybackpcps4xbox oneculturedvultures.comread full story >>culturedvultures.com






kinetic theory - what is the difference between bulk speed and thermal speed in


think of the atmosphere on earth. on a calm day, particles in the air are moving; they have a temperature, which, for our purposes, is a measure of the average kinetic energy of the particles, and therefore their average speed. we can think of the thermal speed as the speed of individual particles because of their kinetic energy.now let's say things get breezy. now you have parcels of air moving faster in a given direction. the bulk speed is the speed of this breeze as a whole, not taking into account the motion of each particle.the analogy holds for the solar wind. a clump as a whole has a certain velocity, the magnitude of which is the bulk speed. inside that clump, individual particles move around at different speeds depending on their species; these are the thermal speeds.






giants safety landon collins only knows how to go one speed


cleveland — landon collins and the giants’ starting defense will be on the field for most, or all, of the first half against the browns on monday night at firstenergy stadium. for as long as he is out there, expect collins to be the dynamic dervish he is when the games count for real.“yeah, i mean, when i’m on the field, i’m going to be full speed,’’ collins said. “i don’t know any other speed. if i go half speed, i feel like i’m going to get hurt. if i don’t go to the speed that i’m determined to, i just feel like i’m sluggish. so there’s only one speed for me.’’this was clearly evident in the preseason opener 11 days ago. collins started, was in for 10 snaps and looked as if he was determined to make an impact on every play. despite the limited playing tim...






science fiction - relativistic effects on brains encoded in light


just stop and think about this for a moment, and you will have your answer.our modern communications system is sent over fiber optic. essentially, at the speed of light. we talk to each other over transmissions that travel at the speed of light. computers interface with each other at the speed of light. youtube videos are sent at the speed of light. x-rays and other diagnostic imaging are sent over fiber optic. robotic surgeries are being conducted over the internet, where the data is sent at the speed of light.i do not recall that there has ever been a relativistic effect in any conversation i have had over the internet. no uncertainty principle, either. 100% accurate data transmission.there is nothing to figure out. you are over-thinking it. we send data all the time at the speed of ligh






need for speed payback - derelicts guide


underdude|2h ago|article|0|tips for getting yourself a one-of-a-kind car in need for speed payback by hunting for pieces of scrap, brought to you by ea need for speed paybackpcps4xbox onegamespot.comread full story >>gamespot.com






a high-speed return to form -- need for speed payback preview [gaming trend]


knightshade|41m ago|preview|2|gaming trend editor in chief ron burke went hands on with the final version of need for speed ahead, turning in this preview, alongside a half dozen videos of the game in motion. need for speed paybackpcps4xbox onegamingtrend.comread full story >>gamingtrend.com






5 games with names dumber than need for speed: payback


jillsandwich|1h ago|opinion piece|6|sean @ finger guns: a bit put off by the cringe wirthy name of need for speed: payback? trust us, it could be worse. need for speed paybackpcps4xbox onefingerguns.netread full story >>fingerguns.net






dnd 5e - multiple movement speeds


the answer to this is on page 196 of the phb.if you have more than one speed, such as your walking speed and a flying speed, you can switch back and forth between your speeds during your move. whenever you switch, subtract the distance you've already moved from the new speed. the result determines how much farther you can move. if the result is 0 or less, you can’t use the new speed during the current move.so in the case of the ancient red dragon, it can move up to 80ft each round, moving up to 40ft by walking or climbing or flying (or any mix of these), and moving the remainder by flying.






astrophysics - why did the gamma ray burst from gw170817 lag two seconds behind


this is addressed in section 4.1 "speed of gravity" of one of the gw170817 companion papers: gravitational waves and gamma-rays from a binary neutron star merger: gw170817 and grb 170817a. general relativity predicts that gws travel at the speed of light. the difference in time of arrival could come from a difference in speed or a difference in the time of emission, i.e. the gamma rays are emitted after the merger.under conservative assumptions described in the paper the fractional difference in the speed of light and the speed of gravity is bounded as:$$-3\times 10^{-15} \le \frac{v_{gw}-c}{c} \le +7\times 10^{-16}$$i think this is the strongest bound on the speed of gravity to date.they also discuss dispersion through the intergalactic medium. the speed of light in a medium depend...






astrophysics - why did the gamma ray burst from gw170817 lag two seconds behind


this is addressed in section 4.1 "speed of gravity" of one of the gw170817 companion papers: gravitational waves and gamma-rays from a binary neutron star merger: gw170817 and grb 170817a. general relativity predicts that gws travel at the speed of light. the difference in time of arrival could come from a difference in speed or a difference in the time of emission, i.e. the gamma rays are emitted after the merger.under conservative assumptions described in the paper the fractional difference in the speed of light and the speed of gravity is bounded as:$$-3\times 10^{-15} \le \frac{v_{gw}-c}{c} \le +7\times 10^{-16}$$i think this is the strongest bound on the speed of gravity to date.they also discuss dispersion through the intergalactic medium. the speed of light in a medium depend...






speed limit may revert to 120kph on mohammad bin zayed road


six months after october 15 change, accident stats will determine if speed limit should be reverted to as beforedubai: the speed limit on shaikh mohammad bin zayed road might revert to 120kph next year if the number of casualties on the road remain the same before reducing the speed limit, a top traffic police officer said.major-general mohammad saif al zafein, dubai police’s assistant commander-in-chief for operations, and head of the uae federal traffic council, said six months after reducing the speed limit on shaikh mohammad bin zayed road to 110kph, they will assess and make comparisons with accident stats and if the results are the same or worse than before the speed limit revision, authorities might reinstate the old speed limit.“when we reduced the speed limit from 120kph to 11...






need for speed payback review: a few steps forward in all the right places


psnghost88|1h ago|review|1|shaun shares his thoughts on what need for speed payback did really well, and where they can improve. update:article image need for speed paybackpcps4xbox onegametyrant.comread full story >>gametyrant.com






speed runner finishes nioh in under 2 hours


pozzle|36m ago|videocast|0|seeing someone speed run through a game is always impressive. it is, even more, awe-inspiring when said game is also extremely difficult. we’ve seen speed runs for dark souls games in the past, but there is now a new uber-hard game for folks to speed run through koei tecmo’s nioh. it should come as no surprise that someone has managed to finish this challenging playstation 4 exclusive in under two hours — thus setting a world-record in the process. ni-ohps4geek.comread full story >>geek.com






revisiting: 'need for speed: most wanted' (2005)


screencritics|26m ago|opinion piece|0|screen critics sam revisits ea's acclaimed fugitive racing title, need for speed: most wanted. is it still as great as you remember? need for speed most wantedpcps2ps3xbox 360screencritics.netread full story >>screencritics.net






military - how fast is airspeed reduced on an a10-warthog when firing its cannon


what acceleration is being applied to the aircraft (in m/s or kt/s)?from xkcd we know that the gunproduces almost five tons of recoil forcethat is about 50000 newtons (round numbers for simplicity, they won't overly affect the results)the acceleration is force divided by mass, and the a-10 has an empty mass of 11000 kg, and a mtow of 23000 kg.this gives an acceleration between $4.545\ \mathrm{m/s^2}$ and $2.174\ \mathrm{m/s^2}$.if there was infinite ammo and nothing like gun overheat, how long would it take to slow the plane down to stall speed, if initial speed was a usual a-10 speed.with the additional assumptions of thrust balancing only the aerodynamic drag, we can say the following: cruise speed is $155.6\ \mathrm{m/s}$, and stall speed is $61.11\ \mathrm{m/s}$ (see wikiped...






need for speed payback review – do you even game bro?


xack|1h ago|review|0|zach from dyegb writes: despite righting some wrongs of its predecessor, need for speed payback fails to capitalise on the opportunity to put the franchise back on the podium need for speed paybackpcps4xbox onedoyouevengamebro.netread full story >>doyouevengamebro.net






need for speed: payback enter the speedcross dlc


savagekuma|2h ago|article|0|beast gamer here with full details of the speedcross dlc for need for speed payback. need for speed paybackpcps4xbox onekumazokuentertainment.comread full story >>kumazokuentertainment.com






need for speed payback gets first gameplay trailer at ea play, and it looks gorg


abriael|25m ago|trailer|4|electronic arts reveals the first explosive gameplay of need for speed payback for ps4, xbox one and pc. need for speed paybackpcps4xbox onedualshockers.comread full story >>dualshockers.comcredit url:https://www.youtube.com/wat...






flight planning - could this "wingless dodo" fly in real life?


the minimum speed of a cessna 152 is 43 knots while the maximum speed is 110 knots. if the wing area is reduced to one half of its original size, and we accelerate to twice the minimum speed, the induced drag is half as much as that of the original airplane at minimum speed (but still eight times higher than that of the original airplane at the same speed!).dynamic pressure scales with the square of airspeed, so it grows by a factor of four.lift coefficient and aspect ratio are half as much as before,so the induced drag (which scales with lift coefficient squared over aspect ratio) is only half as much.now to friction drag: if the surface area would remain unchanged, the doubling of speed quadruples the friction drag. since friction drag is dominant at high speed and the original engine an






audio - what set the speed in a cassette tape recorder?


the hubs do not rotate at constant speed in normal tape recorders - there is what is called a capstan that it kept in contact with the tape by a rubber pressure wheel. the capstan rotates at constant speed and so drives the tape at constant speed.the take-up reel is usually driven through a friction wheel so that it keeps reasonably constant tension on the tape but the hub speed can vary as needed.some tape recorders such as ones for voice recording often do drive the tape by rotating the take-up reel at a constant speed - in that case the recording density will change depending upon how much tape is on the reel. the variations in quality for voice are usually acceptable.with analog recording the signal is recorded as an analog signal on the tape, at lower tape speeds the high-frequency re






need for speed: payback can learn a lot from the fast & the furious


steve_clist|34m ago|opinion piece|2|need for speed: payback seems to be heavily influenced by the fast & the furious movies. steve c talks about why that isn't a bad thing and will help the series find its mojo again. need for speed paybackpcps4xbox onexboxenthusiast.comread full story >>xboxenthusiast.com






need for speed payback preview | gamereactor


benke|1h ago|preview|0|gamereactor has previewed the next game in the need for speed franchise having played a story mission and a normal race. need for speed paybackpcps4xbox onegamereactor.euread full story >>gamereactor.eu






need for speed payback preview | gamereactor


benke|3h ago|preview|1|gamereactor has previewed the next game in the need for speed franchise having played a story mission and a normal race. need for speed paybackpcps4xbox onegamereactor.euread full story >>gamereactor.eu






high-speed trains: railway ministry in talks with 6 global cos for high-speed tr


chennai: discussions by the railway ministry with top six global companies for the launch of very high speed trains in india that can travel at a speed of 600kms per hour was in the advanced stage, railway minister suresh prabhu said today. "we called for six top global companies who have technology that can travel beyond the 350km/hour speed. these trains can travel upto 600kms/hr speed. we called them and we told them that we will develop with you", he told reporters on the sidelines of a conference here. "six companies have come forward and the talks are in advanced stages". if they could manufacture such high speed trains, the county would also be able to export it, he said. prabhu was here to take part in the tamil nadu business leaders conference organised by cii. to a query on t...






special relativity - is the speed of light the only speed that exists?


that depends. "speed" is a colloquial term. usually it translates to physical terms (or is even used as a physical term) as the magnitude of (spatial) 3-velocity in a given reference frame, not necessarily an inertial one (in real life, they are hardly ever inertial). inertial means that the frame is not accelerated, so for example your surroundings on earth feel like an inertial frame, but aren't. the closest you could get to an inertial reference frame is being on a space ship in free fall through space (making sure there is no rotation). using this definition, i refute your statement because i can both measure something standing still in a reference frame (even if it's inertial) and something moving with a speed greater than zero.if you want to adapt the word speed to special relati...






90 day challenge: day 2 - infinite speed | andi reviews


kriswb|10m ago|review|0|andi writes: infinite speed is a fast paced endless world of fun. the game packs speed and if you take your eye off the ship for a split second, you’ll find yourself crashing into a wall. androidcasual gamesblog.get-andi.comread full story >>blog.get-andi.com






david eron 'tried to get daily mail editor, paul dacre, sacked'


pa david eron was leader of the remain paign, while mail editor paul dacre was a staunch brexit backerdavid eron attempted to have the editor of the daily mail sacked during the eu referendum, newsnight has reported.the former prime minister is alleged to have pressured mail owner lord rothermere to dismiss paul dacre over his leadership of the paper’s brexit stance.a source told the ’s emily maitlis that eron urged rothermere to reign in the 68-year-old editor in the lead up to last june’s vote.watch the report, below.a spokesman for eron, who led the remain paign’s efforts as pm, told the he “did not believe he could determine who edits the daily mail”.the moves against dacre e after both he and eron met in the then pm’s number 10 flat.during that meeting, held on 2nd february, the unde