Mayar da mph zuwa m/s mil a awa ↔ mita a daƙiƙa Kyauta A kan layi Amintacce
Ku rubuta ƙima a mil a awa ku karanta ta a mita a daƙiƙa nan take. Ma'aunin daidai ne bisa ayyanawa, lissafin yana faruwa a cikin burauzarku, kuma ba a aika komai ko'ina ba.
Ba a ɗora komai ba
Mayar daga mil a awa
Mayar zuwa mita a daƙiƙa
Ƙimomin da aka fi amfani da su — Mayar da mph zuwa m/s (mil a awa ↔ mita a daƙiƙa)
| mph | m/s |
|---|---|
| 1 | 0.44704 |
| 2 | 0.89408 |
| 3 | 1.34112 |
| 5 | 2.2352 |
| 10 | 4.4704 |
| 20 | 8.9408 |
| 50 | 22.352 |
| 100 | 44.704 |
Daga ina waɗannan ma'aunai suka fito
Gudu ba shi da ma'auni na kansa: tsawo ne da aka raba da lokaci, don haka kowace sana'a kawai ta riƙe tsawon da take amfani da shi tun da farko. Shi ya sa motsi ɗaya yake 100 km/h a allon hanya na Turai, 62 mph a na Amurka, kuma 27.8 m/s a tambayar physics. Knot shi ne mafi tsufa a cikinsu kuma mafi kai tsaye: ma'aikatan jirgin ruwa kan saki igiya mai ƙulli da aka daura a tazara iri ɗaya, su kuma ƙirga ƙullin da suka wuce ta yatsunsu yayin da gilashin yashi ke zubewa, don haka ake karanta gudu da ƙulli. Knot ɗaya mil na teku ɗaya ne a awa, kuma mil na teku minti ɗaya ne na latitude — shi ya sa jiragen ruwa da jiragen sama har yanzu suke amfani da shi. Gudun haske shi ne na musamman: tun 1983 ba a auna shi ba, an tabbatar da shi a 299,792,458 m/s daidai, domin yanzu an bayyana mita daga gare shi.
Inda kuke haɗuwa da su
Kilomita da mil a awa suna kan na'urar auna gudu (speedometer) da allunan hanya, mita a daƙiƙa a physics, injiniyanci da rahotannin iska, ƙafa a daƙiƙa a ilimin ballistics da wuraren bita na Amurka. Knot yana ɗaukar jigilar ruwa, zirga-zirgar jirgin sama da yanayin teku, kuma lambobin Mach suna fitowa duk inda jirgi ya yi sauri har taurin iska kanta ya shiga lissafi. Gudun haske yana fitowa a rayuwar yau da kullum ƙasa da a tazara: shekarar haske ita ce kawai nisan da yake kaiwa a cikin shekara ɗaya.
Tambayoyin da mutane ke yi
Shin Mach 1 gudu ne tabbatacce?
A'a. Mach ƙima ce da aka kwatanta da gudun sauti a cikin iskar da ke kewaye, kuma sauti yana tafiya a hankali a iska mai sanyi. Wannan shafin yana amfani da ƙimar matakin teku ta yau da kullum, 340.294 m/s, don haka Mach 1 a nan kusan 1225 km/h ne. A tsayin da jiragen fasinja ke tafiya, iska ta fi sanyi da kusan digiri 50, kuma Mach 1 ɗin nan ya yi hankali da kusan kashi ɗaya cikin goma. Don haka jirgi zai iya riƙe lambar Mach ɗaya yayin da gudunsa a kan ƙasa yake canzawa.
Me ya sa jiragen ruwa da jiragen sama suke amfani da knot ba km/h ba?
Domin mil na teku shi ne minti ɗaya na kusurwa na latitude. Jirgi mai tafiya knot ɗaya yana tsallake minti ɗaya na latitude a cikin awa ɗaya, don haka gudu, lokaci da wuri a taswira suna dacewa ba tare da juyawa ba. Wannan tunani ɗaya ne ya riƙe mil na teku a mita 1852 daidai maimakon a zagaye shi zuwa wani abu mai kyau.
Shin amsar daidai ce?
Inda aka ayyana ma'aunai biyun ta hanyar juna da cikakkun lambobi, i — shafin yana faɗin haka a saman lambar, kuma zagaye kawai shi ne yawan lambobin da ake nunawa. Inda rabon ba shi da lambar goma mai ƙarewa, shafin yana nuna muhimman lambobi goma sha biyu kuma yana cewa alaƙar kintace ce maimakon ya yi kamar ba haka ba ne.
Shin wani abu da na rubuta yana barin na'urata?
A'a. Ana yin lissafin a cikin burauzarku; ba a ɗora komai ba, kuma babu uwar garke da za a ɗora zuwa gare ta. Ku buɗe shafin sau ɗaya zai ci gaba da aiki ko da an kashe hanyar sadarwa.
Physics na ƙwallon baseball mai sauri: daga mph zuwa m/s
Bindigar radar ta ce mil 98 a awa. Ɗalibin physics yana so ya san yawan kuzarin motsi da ƙwallon take ɗauke da shi, tsawon lokacin da take ɗauka kafin ta isa farantin da nisan da za ta tashi idan babu abin da ya tsayar da ita. Kowace amsa daga cikin waɗannan tana buƙatar gudu a mita a daƙiƙa. Watsa shirye-shiryen wasanni na Amurka suna ba da labari a mph, kuma lissafin motsi yana son raka'o'in SI. Don canza mph zuwa m/s, ninka da 0.447: 60 mph shi ne 26.8 m/s, 100 mph shi ne 44.7 m/s kuma 130 mph shi ne 58.1 m/s. Na'urar lissafin da ke sama tana ninkawa yayin da kake rubutu, kuma sassan da ke ƙasa suna mayar da shahararrun gudun wasanni zuwa physics.
Za ka sami ƙa'idar tare da misalai masu aiki, taƙaitaccen bayanin kowace raka'a, kwatance, doguwar tarin matsalolin wasanni da aka warware da kura-kuran da za a guje wa. Lissafin yana gudana a burauzarka, kuma abin da ka rubuta ba a aika shi ko ina ba.
Yadda ake canza mph zuwa m/s: ninka da 0.447
Ƙa'idar
Mil ɗaya mita 1,609.344 ne kuma awa ɗaya daƙiƙa 3,600 ne, don haka mil a awa ɗaya shi ne 0.44704 m/s. Don canza mph zuwa m/s, ninka lambar mph da 0.447. Don haka 30 mph shi ne 13.4 m/s, 75 mph shi ne 33.5 m/s kuma 200 mph shi ne 89.4 m/s. Don komawa, ninka da 2.237.
Misalai masu aiki
Ƙwallon baseball ta 95 mph ita ce 42.5 m/s. Bugun tennis na 120 mph shi ne 53.6 m/s. Ƙwallon golf ta 170 mph ita ce 76 m/s, kuma bugun hockey na 100 mph shi ne 44.7 m/s.
Me ya sa 0.447
Ma'aunin daidai ne ga ma'anonin yau: mita 1,609.344 da aka raba da daƙiƙa 3,600. Don ƙiyasi cikin sauri, ɗauki rabin lambar ka cire kashi ɗaya cikin goma na wannan rabin.
Gwajin hankali cikin sauri
Lambar m/s ta fi rabin lambar mph ƙanƙanta kaɗan. Idan sakamakon lissafin “canza mph zuwa m/s” ya fi lambar da ka fara da ita, kun yi amfani da 2.237 maimakon.
Mil a awa
Raka'ar wasannin Amurka
Mil a awa ita ce raka'ar da ke kan zane-zanen allon sakamako na baseball, tennis, golf, hockey da ƙwallon ƙafa a Amurka. Masoya sun san cewa 100 alama ce ga mai jefa ƙwallo, 130 ga bugun tennis, da 70 ga jujjuyawar direban golf.
Inda take bayyana
Zane-zanen watsa shirye-shirye, rahotannin neman 'yan wasa da bayanan koci.
Mita a daƙiƙa
Raka'ar lissafi
Mita a daƙiƙa ita ce raka'ar SI ta gudu. Newton, joule da watt ana ayyana su daga gare ta, don haka matsalar physics da ke neman kuzari, motsi ko nisa tana tsammanin gudu a m/s.
Inda take bayyana
Darussan physics, takardun biomechanics da lissafin injiniyanci.
Mil a awa a kan mita a daƙiƙa
mph ɗaya shi ne 0.447 m/s, don haka lamba a m/s ta fi rabin lambar a mph ƙanƙanta kaɗan. Jefa ta 100 mph shi ne 44.7 m/s. Lambobin biyu suna bayyana ƙwallo ɗaya, amma ta biyu ce kawai ta dace da dabarar kuzarin motsi, rabin nauyi sau gudu a murabba'i. Amfani da 100 kai tsaye zai ƙara kuzari sau biyar, wanda lissafin “canza mph zuwa m/s” yake guje wa.
Ma'aunin daidai ne, don haka babu zagaye da ke shiga. Tarko ɗaya tilo shi ne alkibla: daga mph zuwa m/s lambar tana raguwa.
Inda canjin yake bayyana
Matsala 1: lokaci zuwa farantin
Mai jefa ƙwallo yana saki ƙwallon kusan ƙafa 55, ko 16.8 m, daga farantin a 95 mph. Gudun shi ne 42.5 m/s, don haka ƙwallon tana rufe wannan tazara cikin kusan daƙiƙa 0.40, ba tare da la'akari da juriya ba. Da juriya ƙwallon tana rasa kusan kashi 8 cikin ɗari na gudunta a hanya, don haka lokacin gaske ya fi kusa da daƙiƙa 0.43. Lissafin “canza mph zuwa m/s” yana fara kowane irin wannan ƙiyasi.
Matsala 2: kuzarin motsi
Ƙwallon baseball tana da nauyi na 0.145 kg. A 95 mph, wato 42.5 m/s, kuzarin motsinta shi ne rabi sau 0.145 sau 42.5 a murabba'i, ko joule 131. A 100 mph, 44.7 m/s, shi ne joule 145. Ƙarin 5 mph yana ƙara kashi 10 cikin ɗari. Amfani da mph a dabarar zai ba da 654, lambar da ba ta da ma'ana.
Matsala 3: bugun tennis
Bugun 120 mph, wato 53.6 m/s, yana tafiyar mita 18.4 daga layin baya zuwa yankin layin sabis na nesa cikin kusan daƙiƙa 0.35 kafin ya ragu. Ƙwallon tennis ta 58 g tana ɗauke da joule 83 a wannan gudun. Masu dawo da ƙwallo suna da ƙasa da rabin daƙiƙa sosai, shi ya sa hasashe ya fi muhimmanci fiye da saurin amsa.
Matsala 4: bugun golf
Gudun ƙwallon ƙwararre kusan 170 mph ne, ko 76 m/s. Ƙwallon golf ta 45.9 g tana ɗauke da joule 133. Gudun kan sanda kusan 115 mph ne, wato 51.4 m/s. Rabon gudun ƙwallo da gudun sanda, smash factor, shi ne 1.48. Lissafin “canza mph zuwa m/s” a kan gudun biyu yana ba da lambar, kuma na'urar launch monitor tana nuna ta a mph.
Matsala 5: tasirin Magnus
Ƙwallo mai juyawa tana lanƙwasa saboda ƙarfin Magnus. Ga jefa a 90 mph, ko 40.2 m/s, da juyawa na 2,400 rpm, ƙwallon tana kauce kusan 40 cm a tazarar zuwa farantin idan aka kwatanta da hanya mara juyawa. Masana kimiyyar wasanni suna lissafin juyawa da gudu a raka'o'in SI, don haka jefar a mph ita ce abu na farko da ake canzawa.
Matsala 6: motsi da bugu
Motsin ƙwallon 0.145 kg a 42.5 m/s shi ne 6.2 kg·m/s. Idan hannun mai kama ya tsayar da ita cikin millisecond 10, matsakaicin ƙarfi shi ne newton 620, nauyin kusan 63 kg. Ana sa wa safar hannu kushin don yaɗa ƙarfin a tsawon lokaci. Masu ƙirar kayan aiki suna yin irin waɗannan lissafi a raka'o'in SI, suna farawa daga gudun a mph da lig ya bayar.
Matsala 7: gudun dangi
Mai gudu a 20 mph, wato 8.9 m/s, yana bin ƙwallon da aka jefa a 30 mph, ko 13.4 m/s, a alkibla ɗaya yana da gudun kusantowa na 4.5 m/s idan jefar tana kan hanyar mai gudu. Idan ƙwallon ta tafi ta wata hanyar, gudun dangi shi ne 22.3 m/s. Waɗannan lissafi suna bayyana a darussan injiniyanci na asali, tare da gudu da aka bayar a mph daga wasanni.
Matsala 8: ski da sled
Mai ski a gangara a 80 mph yana tafiya a 35.8 m/s. Bobsled a 90 mph yana a 40.2 m/s. Kuzarin motsin mai ski na 100 kg da kayan aiki a 35.8 m/s shi ne kilojoule 64, daidai da faɗuwa daga mita 65. Masu ƙirar hanya suna sanya tarun aminci da gangara ta amfani da gudu a raka'o'in SI.
Matsala 9: gudu da kare
Mutum da yake gudu a hankali a 6 mph, ko 2.7 m/s, da kare da yake gudu da sauri a 25 mph, ko 11.2 m/s, a fashe-fashe, yana samun karen yana ƙaruwa da 8.5 m/s a kan mutumin. Kare na iya ci gaba da 15 mph, ko 6.7 m/s, na wasu mintuna. Matsaloli irin wannan motsa jiki ne mai kyau ga atisayen gudun dangi da suke farawa da mph.
Dabarun spreadsheet
Sa gudu a mph a ginshiƙi A ku yi amfani da =A2*0.44704 a ginshiƙi B. Don kuzarin motsi, yi amfani da =0.5*mass*B2^2. Don akasin haka, yi amfani da =B2*2.23694. Ku sa wa kowane ginshiƙi sunan raka'arsa ku yi amfani da ƙima ɗaya ta ƙasa da ɗigo don gudu.
Zagaye da daidaito
Ma'aunin daidai ne: 100 mph shi ne 44.704 m/s. Bindigogin radar suna karantawa zuwa mph mafi kusa, don haka 44.7 ya isa, kuma sakamako kamar joule 131.2 ya kamata a bayar da shi a matsayin kusan 130. Ku riƙe ƙarin lambobi kaɗan a cikin aikin, domin ana ɗaga gudu zuwa murabba'i a dabarar kuzari.
Gajeriyar hanyar tunani
Raba mph biyu ka cire kashi ɗaya cikin goma na rabin. Ga 100 mph: 50 ban da 5 yana ba da 45 m/s, kusa da daidai 44.7. Ga 60 mph: 30 ban da 3 yana ba da 27, a kan 26.8. Kuskuren kusan rabin kashi ɗaya cikin ɗari ne.
Alamomin da za a haddace
10 mph shi ne 4.5 m/s, 25 mph shi ne 11.2 m/s, 60 mph shi ne 26.8 m/s, 90 mph shi ne 40.2 m/s, 100 mph shi ne 44.7 m/s kuma 130 mph shi ne 58.1 m/s. Waɗannan alamomi suna taimaka maka mayar da lambar watsa shirye-shirye zuwa adadin physics.
Tsanin tunani
5 mph shi ne 2.2 m/s. 15 mph shi ne 6.7 m/s. 35 mph shi ne 15.6 m/s. 55 mph shi ne 24.6 m/s. 80 mph shi ne 35.8 m/s. 120 mph shi ne 53.6 m/s. 150 mph shi ne 67.1 m/s. 200 mph shi ne 89.4 m/s. Tsani irin wannan yana sa duba cikin sauri ya yi sauri.
Matsala 10: bugun hockey
Puck na 170 g a 100 mph, wato 44.7 m/s, yana da kuzarin motsi na joule 170. Daga mita 15 nesa yana ɗaukar daƙiƙa 0.34 kafin ya isa raga. Mafi sauri da aka rubuta shi ne kusan 108.8 mph, wato 48.6 m/s. Mai tsaron raga yana ganin puck na kashi ɗaya cikin uku na daƙiƙa, shi ya sa matsayi ya fi muhimmanci fiye da amsa.
Dubawa ta juyawa
Don duba kowane sakamakon canza mph zuwa m/s, ninka shi da 2.237. Idan 100 mph ya zama 44.7 m/s, to 44.7 sau 2.237 shi ne 100. Gwaji na biyu shi ne girma: lambar m/s ta fi rabin lambar mph ƙanƙanta kaɗan.
Alaƙa da km/h
mph ɗaya shi ne 1.609 km/h, kuma m/s ɗaya shi ne 3.6 km/h. Jefa ta 95 mph ita ce 152.9 km/h da 42.5 m/s. Watsa shirye-shirye ga masu kallo na ƙasashen waje suna nuna km/h, takardun bincike kuma m/s. Sanin canje-canjen biyun yana ba ka damar karanta labari, rahoton neman 'yan wasa da takarda ba tare da ɓacewa ba.
Tsaro a wasannin matasa
Ƙungiyoyin matasa suna iyakance gudun jefa don aminci. Yaro ɗan shekara 12 da yake jefa a 60 mph, wato 26.8 m/s, yana haifar da ƙarfi ƙasa da babba a 90 mph, ko 40.2 m/s. Ana gwada hula da kariyar fuska a gudun da ake gani a kowane rukunin shekaru. Iyaye da suke karanta ƙa'idar aminci a m/s za su iya amfani da lissafin “canza mph zuwa m/s” don kwatanta ta da lambobin mph na lig.
Radar da lokaci
Bindigar radar tana auna gudun ƙwallo ta sauyin Doppler, da daidaito na yau da kullum na 1 mph, wato 0.45 m/s. Tsarin kyamara yana bin ƙwallo a girma uku kuma yana lissafin gudu a wurare da yawa. Jefa da aka saki a 95 mph kuma ta isa a 87 mph tana nuna asarar 8 mph, ko 3.6 m/s, wanda juriya ta haifar a ƙafa 55.
Matsala 11: ƙwallon ƙafa ta Amurka da aka jefa da baka
Wucewa da aka jefa a 24.6 m/s a digiri 35 tana da gudun kwance na 20.1 m/s da gudun tsaye na 14.1 m/s. Tana zama a iska na daƙiƙa 2.9 kuma tana sauka mita 58 nesa, kusan yadi 63, idan mai karɓa yana tsawo ɗaya. Raba jefa zuwa sassa daidaitaccen physics ne, kuma lissafin “canza mph zuwa m/s” yana ba da gudun farawa daga lambar watsa shirye-shirye.
Matsala 12: tsayar da ƙwallo mai sauri
Ƙwallo ta 0.145 kg tana isa a 42.5 m/s kuma safar hannu da ke ba da hanya santimita 8 ta tsayar da ita. Raguwar gudu ita ce v a murabba'i a kan ninki biyu na tazara, wato 11,289 m/s², kusan 1,150 g, kuma matsakaicin ƙarfi shi ne newton 1,637. Safar hannu masu kushin suna ninka tazarar tsayawa su rage ƙarfi rabi. Ƙa'idodin aminci na kayan mai kama ana faɗin su a gudun lig, da aka canza daga mph.
Matsala 13: cricket
Mai jefa ƙwallo da sauri yana jefa a 90 mph, wato 40.2 m/s. Filin yana da tsawon mita 20.12, don haka ƙwallon tana isa ga mai bugu cikin kusan daƙiƙa 0.5, tana raguwa kaɗan. Rikodin kusan 100.2 mph ne, wato 44.8 m/s. Masu bugu suna dogara ga kallon wuyan mai jefawa da ɗinkin ƙwallon fiye da gudu kaɗai.
Matsala 14: wucewar quarterback
Quarterback ƙwararre yana jefawa a 55 mph, wato 24.6 m/s. Ƙwallon Amurka ta 0.42 kg sai tana da joule 127. Wucewa ta yadi 40, ko mita 36.6, tana ɗaukar kusan daƙiƙa 1.6 har da baka. Koci suna kwatanta gudun jefa a mph, yayin da masana kimiyyar wasanni suke auna shi a m/s da radar.
Matsala 15: nisan da za ta iya tashi
A cikin vacuum, ƙwallo da aka harba a digiri 45 da gudu v tana tafiya v a murabba'i a kan g. Ga 100 mph, wato 44.7 m/s, tazarar za ta zama mita 204. Iska tana rage wannan zuwa kusan mita 120 ga ƙwallon baseball, domin juriya tana da girma a wannan gudun. Gibin yana nuna dalilin da juriyar iska take da muhimmanci, kuma amsar wuri maras iska motsa jiki ne mai tsabta na canza raka'a.
Matsala 16: sanda da ƙwallo
Jujjuyawar sanda ta 70 mph, ko 31.3 m/s, da ta haɗu da jefa ta 90 mph, ko 40.2 m/s, na iya aika ƙwallo a kusan 102 mph, wato 45.6 m/s. Ƙa'idar babban yatsa tana cewa gudun fita kusan sau 0.2 ne na gudun jefa ƙari sau 1.2 na gudun sanda, ƙiyasi mai sauri da ya dogara ga daidaiton raka'o'i, don haka lissafin “canza mph zuwa m/s” a kan shigarwar biyu yana zuwa tukuna.
Matsala 17: gudun gudu
Mai gudu mai sauri a 27.8 mph yana tafiya a 12.4 m/s. Ɗan wasan ƙwallon Amurka da yake gudu a 22 mph yana a 9.8 m/s. A yadi 40, ko 36.6 m, a matsakaicin 8 m/s lokacin shi ne daƙiƙa 4.6, wanda ya dace da kyakkyawan lokacin combine. Ana faɗin lambobin a mph a kafofin Amurka sosai, kuma binciken biomechanics yana amfani da m/s.
Matsala 18: bugun ƙwallon ƙafa
Bugun mai ƙarfi yana kaiwa 70 mph, wato 31.3 m/s, kuma rikodin ya wuce 130 mph, ko 58 m/s. Ƙwallo ta 430 g a 31.3 m/s tana ɗauke da joule 211. Daga mita 20 nesa mai tsaron raga yana da daƙiƙa 0.64. Watsa shirye-shiryen ƙwallon ƙafa a Amurka suna nuna mph, kuma bugun ɗaya a wasu wurare ana faɗin sa a km/h, 113.
Matsala 19: volleyball da badminton
Sabis na volleyball a 70 mph shi ne 31.3 m/s, kuma bugun spike zai iya kaiwa 80 mph, wato 35.8 m/s. Smash na badminton a 300 mph shi ne 134 m/s, mafi sauri a duk wasannin raket, ko da yake shuttlecock yana raguwa da sauri. Lissafin “canza mph zuwa m/s” yana sanya waɗannan uku a tebur ɗaya don kwatance.
Ƙarin ƙimomi don canza mph zuwa m/s
Jerin canje-canje mafi tsawo
Idan ƙimar da kake buƙata ba ta cikin jerin farko ba, waɗannan ƙarin canje-canje na iya zama kusa da isa a karanta kai tsaye:
- 0.1 mph = 0.044704 m/s
- 0.5 mph = 0.22352 m/s
- 3 mph = 1.34112 m/s
- 4 mph = 1.78816 m/s
- 7 mph = 3.12928 m/s
- 15 mph = 6.7056 m/s
- 20 mph = 8.9408 m/s
- 75 mph = 33.528 m/s
- 200 mph = 89.408 m/s
- 500 mph = 223.52 m/s
- 2,000 mph = 894.08 m/s
- 10,000 mph = 4,470.4 m/s
Kura-kuran da aka saba yi lokacin canza mph zuwa m/s
Ninkawa da 2.237
Daga mph zuwa m/s lambar tana raguwa. Idan 100 mph ya zama 223.7, kun yi amfani da ma'aunin alkibla ta akasin haka.
Sa mph a dabarar kuzari
Kuzari yana buƙatar m/s. Amfani da mph yana ba da lamba mara daidai sau biyar.
Ruɗa gudun saki da gudun farantin
Gudun lokacin saki ya fi na farantin, domin juriya tana rage gudun ƙwallo. Ku faɗi wanne kuke nufi.
Amsoshi gajeru
Yaya zan canza mph zuwa m/s?
Ninka da 0.447.
100 mph nawa ne a m/s?
44.7 m/s.
60 mph nawa ne a m/s?
26.8 m/s.
1 m/s nawa ne a mph?
2.237 mph.
Shin lambata tana barin na'urata?
A'a, lissafin yana gudana a burauzarka.
Ƙarin shafuka da taƙaitawa
Don sauran canje-canjen gudu duba Canza mph zuwa km/h, Canza mph zuwa Mach, Canza km/h zuwa m/s, Canza c zuwa m/s, Canza m/s zuwa ft/s, Canza km zuwa mi, Canza mi zuwa km, Canza °C zuwa °F, Canza °F zuwa °C. Akasin hanya shi ne Canza m/s zuwa mph.
A taƙaice, lissafin “canza mph zuwa m/s” yana nufin ninkawa da 0.447 da rubuta raka'a kusa da amsa. Ana lissafin lambarka a cikin na'urarka, ba tare da asusu ba kuma ba tare da ɗorawa ba.