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If and deceleration
If the majority of deceleration is from unavoidable friction instead of braking, one is squeezing out most of the service from the vehicle.
If the helmet is in a real impact that is slower than the one for which it was designed, it will still help but the head will be decelerated a little more violently than was actually necessary given the available space between the inside and outside of the helmet, although that deceleration will still be much less than what it would have been in the absence of the helmet.
If the sidecar and bike geometry are not coordinated the combination will be unstable, especially at speed, with shimmy upon acceleration or deceleration.
If this deceleration constant factor is unknown a default value of 0. 5 will predict the flight behaviour of most modern spitzer-type rifle bullets quite well.
If deceleration is not detected and aquaplaning is suspected, the nose should be raised and aerodynamic drag utilized to decelerate to a point where the brakes do become effective.
If the angle of attack is too steep, the deceleration forces may be too high or the heat of reentry may exceed the tolerances of the heat shield.

If and on
He said: `` If it's all right with you, Mr. Morgan, I'll sleep out here on the couch.
If she sensed any unusual preoccupation on the part of her mother, she did not comment upon it.
If he spun out now, he would join his opponent on the ground.
If it were not for an old professor who made me read the classics I would have been stymied on what to do, and now I understand why they are classics ; ;
`` If you want to see something, he's back on the other side by the trunk of the car ''.
If the man on the sidewalk is surprised at this question, it has served as an exclamation.
If `` Jack the Courtier '' is really to be taken as Swift, the following remark is obviously Steele's comment on Swift's change of parties and its effect on their friendship: `` I assure you, dear Jack, when I first found out such an Allay in you, as makes you of so malleable a Constitution, that you may be worked into any Form an Artificer pleases, I foresaw I should not enjoy your Favour much longer ''.
If his circumspection in regard to Philip's sensibilities went so far that he even refused to grant a dispensation for the marriage of Amadee's daughter, Agnes, to the son of the dauphin of Vienne -- a truly peacemaking move according to thirteenth-century ideas, for Savoy and Dauphine were as usual fighting on opposite sides -- for fear that he might seem to be favoring the anti-French coalition, he would certainly never take the far more drastic step of ordering the return of Gascony to Edward, even though, as he admitted to the English ambassadors, he had been advised that the original cession was invalid.
If it proclaims that the best is yet to be, it always arouses, at least in the young, either a suspicious question or perhaps the exclamation of the Negro youth who saw on a tombstone the inscription, `` I am not dead but sleeping ''.
If the would-be joiner asks these questions he is not likely to be duped by extremists who are seeking to capitalize on the confusions and the patriotic apprehensions of Americans in a troubled time.
If the decision goes wrong, it may be -- as Mr. Stevenson fears -- `` the first step on the slippery path downhill '' to a U.N. without operational responsibilities and without effective meaning.
If you're lyin' out in the hammock at night, and it gets kinda cool -- you know -- you just take these sides with the fringe on -- see -- and wrap 'em right over you.
If the record buyer's tastes are somewhat eclectic or even the slightest bit esoteric, he will find them satisfied on educational records.
If it will simply delay the debates until the qualifications are closed next spring, and then carry all the candidates on a tour of debates, it can provide a service to the state.
Mr. Richard Preston, executive director of the New Hampshire State Planning and Development Commission, in his remarks to the Governors Conference on Industrial Development at Providence on October 8, 1960, warned against the fallacy of attempting to attract industry solely to reduce the tax rate or to underwrite municipal services such as schools when he said: `` If this is the fundamental reason for a community's interest or if this is the basic approach, success if any will be difficult to obtain ''.
`` If the day should ever come that foreign invaders swarm ashore along the Gulf Coast '', the account reads, `` they can count on heavy opposition from a group of commando-trained telephone employees -- all girls.
If we make it established custom that whenever butchery on the highways grows excessive, say beyond 25,000 per annum, then somebody is going to hang, it follows that the more eminent the victim, the more impressive the lesson.
If it comes down too hard on the potential dangers of fallout, it will box the President on resuming atmospheric tests.
`` If William agrees, we should insist on a public debate '', he said at length.
If you want to fight, go down on the sidewalk ''.
If there is anything which we can do in the executive branch of the Government to speed up the processes by which we come to decisions on matters on which we must act promptly, that in itself would be a major contribution to the conduct of our affairs.

If and arrival
If Paul was the author of the letter, then it was probably written from Rome during Paul's first imprisonment (; ; ), and probably soon after his arrival there in the year 62, four years after he had parted with the Ephesian elders at Miletus.
If the wedding is part of a religious service, then technically the service begins after the arrival of the participants, commonly with a prayer, blessing, or ritual greeting.
Grant's memoirs praised Wallace's delaying tactics at Monocacy: " If Early had been but one day earlier, he might have entered the capital before the arrival of the reinforcements I had sent.
If these dates are accurate, then it is unlikely that the earlier entries in the chronicle, starting with his arrival in Britain with his father Cerdic in 495, are correct.
If it is seen after rain it should clear due to warm front succession, but if this does not occur the stratus must be part of the warm sector of a frontal system ; heavy rain may start again with the arrival of a cold front after several hours of stratus.
If the arm must be carried outside the prescribed area then a Temporary journey permit must be acquired and the arms and ammunition must be registered at the nearest police station within 48 hours of arrival at the location prescribed within the Temporary Journey Permit.
If the owner of the caravan did not travel with the caravan himself, he would send along a supercargo -- the person who will take care of the disposal of the freight upon arrival, but had no authority during the journey.
If, then, he died in Palestine, his death must have taken place in the preceding year, 1176, to allow time for the arrival of the news in England.
If the airfield is not equipped with ATC or radio, the pilot will establish these things before arrival by contacting the airfield prior to departure, or by using weather forecasts and the like.
The construction of the Chateau d ' If was faster with an end to work in 1531, while the fort of Notre-Dame de la Garde was finished only in 1536, to resist the arrival of the troops of Charles Quint.
If a player is unable to complete the Roadblock, the team is assessed a four hour penalty starting from the time of the arrival of the next team at the Roadblock, after which they are given their next clue to proceed unless they are no other teams yet to arrive at the Roadblock site, in which case their four-hour penalty begins the moment that team gave up on the Roadblock.
If the consensus view regarding the origins of the Nilo-Saharan languages which came to East Africa is adopted, and a North African or Southeast Asian origin for Afro-Asiatic languages is assumed, the linguistic affiliation of East Africa prior to the arrival of Nilo-Saharan and Afro-Asiatic languages is left open.
If players choose him as the first character, the in-game dialogue will differ, for example, Sophie will address him differently upon arrival at the mansion.
If the early 1990s popularity of NG La Banda and Charanga Habanera was unprecedented, the response to the arrival of the next superstar group bordered on the unbelievable: the Cuban equivalent of Beatlemania.
If the primary carrier is photo-generated, the leading edge of the avalanche pulse marks picosecond time jitter the arrival time of the detected photon.
If at a cell arrival the content of the bucket is less than or equal to the limit value τ, then the cell is conforming ; otherwise, the cell is non-conforming.
If the entire planet falls ( whether to a genestealer cult insurrection or the inevitable arrival of a hive fleet ) the entire planet is laid waste in an Exterminatus.
If the Union forces had not done enough already to give up their plan and position, Kilpatrick gave notice of the arrival of the Union force at Big Bethel by shooting at Confederate scouts and pickets.
If accepted into the SS officer program, an SS member would be assigned to one of several Junkerschulen and would be appointed to the rank of SS-Junker upon arrival.
If at a cell arrival the content of the bucket is less than or equal to the limit value τ, then the cell is conforming ; otherwise, the cell is non-conforming.
If the actual arrival time of a cell is not ' too early ' relative to the TAT and tolerance τ associated to the cell rate, i. e. if the actual arrival time is after its theoretical arrive time minus the limit value ( t < sub > a </ sub > > TAT – τ ), then the cell is conforming ; otherwise, the cell is nonconforming ".
If the cell is conforming, and arrived before its TAT ( equivalent to the bucket not being empty but being less than the limit value ), then the next cell's TAT is simply TAT + T. However, if a cell arrives after its TAT, then the TAT for the next cell is calculated from this cell's arrival time, not its TAT.
Following the release of " I'll Be There " as the lead single from MTV Unplugged a month prior to the EP's public arrival, Carey's live version of " If It's Over " from MTV Unplugged was released as an airplay-only single in a few countries.

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