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Question

ILi giaeiaslc 4a.3 6 339392 oauSYl jle _ dinc &.s] Gill hiall3S Ijl SsLy ( OC 27 i_4ebl KPa 160 ) GgLy ( K 330 tic Lbia34i KPa 80(iILi

iLi giaeiaslc 4a.3 6 339392 oauSYl jle _ dinc &.s] Gill hiall3S Ijl SsLy ( OC 27 i_4ebl KPa 160 ) GgLy ( K 330 tic Lbia34i KPa 80 (i ILi



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The barometric pressure measured outside an alr- ft) was 266 torr. Calculate the presplane at $9 \mathrm{~km}(30,000$ sure in kPa.

And this problem were given to different pressure values and units of kill of Pascal's and Part A and Millimeters of Mercury and Part B. All we have to do is convert both of these values into its corresponding pressure value in units of atmospheres. So it's helpful to use a pressure conversion table if you haven't memorized these conversions. But all we're gonna do is just perform dimensional analysis, starting with Part A and in this case, the conversion is 101 0.3 to 5. Hyla Pascal's in one atmosphere that gets rid of Killer Pascal units and converts it into atmospheres. And with two sig figs. Report A. We performed the multiplication and rounded off to two sig figs for a final answer of zero point 0 to 0 atmospheres. As the final answer report a report be We have 562 millimeters of mercury and we do dimensional analysis again, this time with the conversion of 760 millimeters of mercury and one atmosphere, we cross off the units of millimeters of mercury and converted into atmospheres, and we see we have three sig figs and part B. So when we perform that multiplication and rounded off Tiu three sig figs. We get a final answer of 0.7 three nine atmospheres for Part B, and that is how you perform these pressure conversions.

Hi, everyone. So cannot be for nine pressure into baskets. So yeah, you know aids 645 millimeter of Mercury Millimeter of n G. Now, since one millimeter is equal to 133 point 322 rascals and therefore not a phone. 640 for you. Millimeter of G. Mhm. Sure. Mhm. A dream is equal to eggs, Bhaskar. Mm. And therefore yeah. Mm. About to fall. This is equal to, what, 33.32 they do. 645. And that is equal to Yeah, 85,000 992 0.69. That is equal to Yeah. Yeah. My are. Yes. Uh, mhm. Eight point for you. Nine, 93 and two the next 24 basket. Yeah, yeah, yeah. Mhm, then. Yeah, B yeah. 221. Kill Abascal to Pascal since one kill Abascal that is equal to 1000 bus killed. Yeah. Yeah, and therefore, 2 to 1 killer pass skull that is equal to 1000 into 221. And that is equal to 22 100 Okay. Oh, that is therefore therefore 221 kilo Pascal that is equal to two points 21 into 10 days to file Paschal. Then there's two for you. Basco, then tile. Yeah, third point 876 Atmosphere. Uh huh. Yeah. Mm hmm. Tuba skull. Now, since one atmosphere is equal to 101 32 for you rascal and their 4.876 atmosphere is equal to 1013 to 5. Then 2.876 That is equal to 8.88. 8.88. So we wait there. 4.876 Atmosphere is equal to 8807. 88,760 88070.7 Paschal Uh huh. 8.88 into 10 days to four basket for Pascal the next. Yeah, B is equal to 32. Tar to Pascal. Since one tour is equal to 133.3 to Pascal and therefore 32 tar that is equal to 1 33 and 3 to 2. Authority to and therefore 32 tall. 32 star is equality 4.2 double six in two tenders to three Paschal. Mhm. Yeah, Mhm. Thanks

The conversion factor from Kira Pasquato atmosphere is one idea divided by 101 what she to five. Hello Now convert 109.2 kg Paschal It must it must fear by multiplying it. One of them divided by one you know 1.3 to 5 to help us The answer really 1.8 at the end Does one sorry 109.2. You know what's good is equals two 1.8 European now the congestion factor from torture atmosphere is one of them divided by 7 16 Yeah, no combat 7 81 or two atmosphere by multiplying it with one at the M divided by 7 62. This is equals two. Wow, when you know T at the end does 7 81 nice is equals two 1.3 at the end. Next conversion factor from millimeter mercury to atmosphere is s for those 18 year divided by 7 16 millimeter marked unity. Now convert 7 81. My name is Mercury to atmosphere by multiplying eight with one at here divided by 7 60 and then 80. The answer will be 1.0 t at the um yes 7. 81 millimeter Mercury equals two 1.3 at the end. Next conversion factor from transpire square in Who atmosphere is one at the M, divided by 14 point six name pounds per square inch. So now convert 15 one £2 per square eight to atmosphere by multiplying it with one at the end. Divided by 14.69 the S A. This is equals two 1.0 t at the end Does 15 point who pounds per square inch is equal to 1.3 at the end.

It's this question here is asking us to convert various pressures into past cows, and so our first want access to convert 645 millimeters of mercury to pass cows. And so there is a conversion for this, but it's really unlike with urine and know it swore best bet is to go through atmospheres and then so first Vilnius, Mercury, two atmospheres and then the past cows. And so the conversion for millimeters of Mercury tapestries that we have 760 millimeters America, equal toe, one atmosphere and Sam means if we take 6 45 and divided by 7 60 who are going to get the number of atmospheres and so 6 45 drive by 7 60 is equal to point 84 86 atmospheres, then the converted from atmospheres. The past cows is that one atmosphere equals 1013 to 5 Pascal's and so we can multiply this one on 13 to 5 by 0.8486 And if we do that, the answer we're going to get is that we have 85,000 992 Pascal's. You could probably write this as 8.5 times sense of the fourth. So that is our 1st 1 switch colors trawl line to show we're not working on the same part anymore. And so our next one asked us about 200 21 Hyla Pass house to pass cows. And that's this one's really easy, because differences, the kilo are not kilo prefix. And so this means that this unit is 1000 times larger than the Pascal unit. And so to convert like this, we just need to add three zeros so 2 to 1123 zeros to turn it into past house. Um, since since been Pascal is a smaller unit. We need more of them. So 221,000 in order to match the killer Pascal's so next part asks us about 0.876 atmospheres to pass cows. And so I showed earlier that 1013 to 5 past cows is equal to one atmosphere. Since I haven't seen like, a fraction form, this is basically equal to one. That's another way of saying that. And so if we multiply my 0.876 atmospheres, the atmosphere units will cancel out and If we do that, we're going to get so 0.876 times. 1013 to 5. We will get 88760 Pascal's or 8.8 times tense that I tend to the fourth past cows as our pressure. Now our last one is 32 tour to Pascal's. And so tour is actually the same thing as millimeters of mercury. Um, we've already and so we've already done this problem. That's the same unit here. And so we go back to the beginning. All we did was we divided by 760 to get toe atmospheres to be multiplied by 1013 to 5. So I'm gonna actually do that together. I'm going to divide 32 by 7 60 So now this isn't atmospheres, and then we're going to multiply that by 1013 to 5 Pascal's which, if you do that 0 1/8 Tim, this whole fraction right here is really just the same as saying one. So we're really only multiplying by one folks. They were just changing its form. So the atmosphere is cancel out. When I put this into a calculator. The result that I'm going to get is that we have 4000 266 past cows and this kind of a small number, which is what she we should expect. It's much less than numbers we've gone up here before because 32 millimeters of Mercury small number 32 tour jets are finally


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