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Физика за 9 класс

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Aeeao ?1 – Iaoaie/aneea e oaieiaua yaeaiey.

Iaoaie/aneea yaeaiey – yoi yaeaiey, naycaiiua n ia?aiauaieai
iae?ineiie/aneeo oae a i?ino?ainoaa. Iae?ineiie/aneea oaea – yoi oaea,
ninoiyuea ec aieueoiai eiee/anoaa iieaeoe. Iaoaieea eco/aao neeu eae
i?e/eiu eo eciaiaiey nei?inoae oae, ii i?e?iaea yoeo nee, eo
i?ienoiaeaeaiea iaoaieeie ia iauyniythony. ssaeaiey, naycaiiua n
eciaiaieai oaiia?aoo?u oae, iacuaathony oaieiauie. I?e oaieiaii yaeaiee
n oaeii n oi/ee c?aiey iaoaieee ie/aai ia i?ienoiaeeo, ii eae ecaanoii,
oaei ninoieo ec aanii?yaei/ii aeaeaeoueony /anoeoe. Aanii?yaei/iia
aeaeaeaiea /anoeoe, ec eioi?uo ninoieo oaei, iacuaatho oaieiaui.

Aeeao ?2 – Iniiaiua iieiaeaiey IEO.

A iniiaa iieaeoey?ii-eeiaoe/aneie oai?ee no?iaiey aauanoaa eaaeao o?e
iniiaiuo iieiaeaiey:

a) Ana aauanoaa ninoiyo ec /anoeoe. a) *anoeoeu iaoiaeyony a iinoiyiiii
aanii?yaei/iii aeaeaeaiee.

a) Yoe /anoeoeu acaeiiaeaenoaotho ae?oa n ae?oaii. Oeaeue IEO –
iauyniaiea naienoa iae?ineiie/aneeo (ninoiyueo ec aieueoiai /enea
iieaeoe) oae e oaieiauo i?ioeannia, i?ioaeathueo a ieo, ia iniiaa
i?aaenoaaeaiee i oii, /oi ana oaea ninoiyo ec ioaeaeueiuo, aanii?yaei/ii
aeaeaeoueony /anoeoe.

Aeeao ?3 – ssaeaiey, iiaeoaa?aeaeathuea IEO.

a) A eiiiaoo aianee ioe?uoue oeaeii aeooia. *a?ac iaeioi?ia a?aiy caiao
?ani?ino?aieeny ii eiiiaoa, oioy o?iaaiue aeooia ai oeaeiia ia
eciaieeny. Oi anoue ai anae eiiiaoa anoue /anoeoeu aeooia, ii iie
ianoieueei iaeu, /oi eo auoiae ec ninoaea ia eciaiyao o?iaiy aeooia a
i?i. a) Iiaeoaa?aeaeaiea – yaeaiea aeeooocee (acaeiiiai i?iieeiiaaiey
nii?eeanathueony aauanoa ae?oa a ae?oaa aneaaenoaea aanii?yaei/iiai
aeaeaeaiey /anoeoe aauanoaa), yaeaiea a?ioiianeiai aeaeaeaiey (oaieiaia
aeaeaeaiea acaaoaiiuo a aeeaeeinoe eee aaca /anoeoe, aicieeathuaa
aneaaenoaea oiai, /oi aanii?yaei/ii aeaeaeoueany iieaeoeu eee aoiiu aaca
eee aeeaeeinoe ia?aaeatho acaaoaiiie a i?i /anoeoea ?aciua eiioeuenu n
?aciuo noi?ii). a) Iiaeoaa?aeaeaaony yaeaieai nia/eaaiey oa??aeuo oae
aeeaeeinoyie. Anee neea i?eoyaeaiey iaaeaeo iieaeoeaie aeeaeeinoe
aieueoa, /ai iaaeaeo iieaeoeaie oa??aeiai oaea (ieanoeeei), oi oa??aeia
oaei ia nia/eaaaony, anee aea i?eoyaeaiea iaaeaeo iieaeoeaie aeeaeeinoe
iaiueoa, /ai iaaeaeo iieaeoeaie oa??aeiai oaea, oi oa??aeia oaei
nii/eony.

Aeeao ?4 – ?acia?u, /enei e ianna iieaeoe.

2,7*10-23a. Iieaeoeu ae?oaeo aauanoa eiatho ianoieueei aea iaeua iannu,
e?iia iieaeoe i?aaie/aneeo aauanoa, eioi?ua eiatho ianno a nioie ouny/
?ac aieueoa, ii an? ?aaii i/aiue iaeua ii n?aaiaieth n a?aiiaie.

Aeeao ?5 – Neeu acaeiiaeaenoaey iieaeoe. A?ioiianeia aeaeaeaiea.

d, Fi?0, cia/eo A`>0, A<0. ?aaioa aaca A` ia a?aoeea caaeneiinoe aeaaeaiey aaca io iau?ia ?aaia ieiuaaee oeao?u ABCD.Aeeao ?16 - Ia?aue caeii oa?iiaeeiaieee. I?eiaiaiea aai e caeiiai e ?acee/iui i?ioeannai.U<0, oi A<0.Aeeao ?17 - Aoi?ie caeii oa?iiaeeiaieee. Iaia?aoeiinoue i?ioeannia a i?e?iaea.Iaaiciiaeii ia?aaanoe oaieioo io aieaa oieiaeiie nenoaia e aieaa ai?y/ae i?e ionoonoaee ae?oaeo iaeiia?aiaiiuo eciaiaiee a iaaeo nenoaiao eee a ie?oaeathueo oaeao - oae noi?ioee?iaae aoi?ie caeii oa?iiaeeiaieee iaiaoeeee o/?iue Eeaoceon. Aaaeiinoue yoiai caeiia ninoieo a oii, /oi ec iaai iiaeii auaanoe caeeth/aiea i iaia?aoeiinoe ia oieueei i?ioeanna oaieiia?aaea/e, ii e anao i?ioeannia a i?e?iaea. Iaia?aoeiuie iacuaathony oaeea i?ioeannu, eioi?ua iiaoo naiii?iecaieueii i?ioaeaoue oieueei a iaeiii ii?aaeae?iiii iai?aaeaiee, a ia?aoiii iai?aaeaiee iie iiaoo i?ioaeaoue oieueei eae iaeii ec caaiueaa aieaa neiaeiiai i?ioeanna. Oae, anee iy/ee iaaeaao, oi aai iaoaie/aneay yia?aey i?e i?ecaieaiee ia?aoiaeeo ai aioo?aiithth yia?aeth iiaa?oiinoe e iy/eea, ii iy/ee, eaaeauee ia iiaa?oiinoe ia iiaeao aceaoaoue oieueei ca n/?o aioo?aiiae yia?aee. Yoi i?ioeai?a/eo aoi?iio caeiio oa?iiaeeiaieee.Aeeao ?18 - I?eioeei aeaenoaey oaieiauo aeaeaaoaeae. EIAe oaieiaiai aeaeaaoaey.=1. Iiauoaiea EIAe oaieiauo iaoei e i?eaeeaeaiea aai e iaeneiaeueii aiciiaeiiio - aaaeiaeoay oaoie/aneay caaea/a.Aeeao ?20 - Caaeneiinoue oaiia?aoo?u eeiaiey io aeaaeaiey e e?eoe/aneay oaiia?aoo?a.Eeiaiea - yoi eioaineaiue i?ioeann ia?aoiae aeeaeeinoe a ia? aneaaenoaea ia?aciaaiey e ?inoa iocu?ueeia ia?a, eioi?ua i?e ii?aaeae?iiie oaiia?aoo?a anieuaatho ia a? iiaa?oiinoue e eiiathony. Yoa oaiia?aoo?a iacuaaaony oaiia?aoo?ie eeiaiey. Eeiaiea ia/eiaaony i?e oaiia?aoo?a, i?e eioi?ie aeaaeaiea ianuuaiiiai ia?a a iocu?ueeao n?aaieaaaony n aeaaeaieai a aeeaeeinoe. *ai aieueoa aiaoiaa aeaaeaiea, oai aieueoa oaiia?aoo?a eeiaiey, e ia?aoii, /ai ieaea aeaaeaiea, oai ieaea oaiia?aoo?a eeiaiey. E?eoe/aneay oaiia?aoo?a - yoi oaiia?aoo?a, i?e eioi?ie en/acatho ?acee/ey a oece/aneeo naienoaao iaaeaeo aeeaeeinoueth e a? ianuuaiiui ia?ii. Ia?, iaa?aoue aei oaiia?aoo?u auoa e?eoe/aneie, iacuaaaony ia?aa?aoui. AEeaeeinoue, iaa?aoay aei oaiia?aoo?u auoa e?eoe/aneie, iacuaatho ia?aa?aoie aeeaeeinoueth. I?e oaiia?aoo?a auoa e?eoe/aneie aac ie i?e eaeeo aeaaeaieyo iaeuecy ia?aaanoe a aeeaeeinoue.Aeeao ?21 - Ianuuaiiue e iaianuuaiiua ia?u. Caaeneiinoue aeaaeaiey io ieioiinoe ianuuaiiiai ia?a, io oaiia?aoo?u.=nkT. Caeii Aieey-Ia?eiooa ia auiieiyaony, oae eae aeaaeaiea e n ia caaenyo io iau?ia.Aeeao ?22 - Aeaaeiinoue aicaeooa. Oi/ea ?inu e ecia?aiea aeaaeiinoe.*100%. Ia?oeeaeueiia aeaaeaiea - yoi aeaaeaiea, i?iecaiaeeiia aiaeyiui ia?ii, anee au ana ae?oaea aacu ionoonoaiaaee. Oaiia?aoo?a, i?e eioi?ie iaianuuaiiue ia? noaiiaeony ianuuaiiui, iacuaatho oi/eie ?inu. Aeaaeiinoue iiaeii ecia?eoue n iiiiuueth aea?iiao?a (aieinyiiai eee iaoaeee/aneiai) eee ineo?iiao?a. Ineo?iiao? ninoieo ec nooiai e aeaaeiiai oa?iiiao?ia, ii oaaeeoea e ii ?acieoea oaiia?aoo? iaaeaeo ieie ii?aaeaeytho ioiineoaeueioth aeaaeiinoue.Aeeao ?23 - E?enoaeee/aneea e aioi?iua oaea.Oa??aeua oaea iaoiaeyony i?aeiouanoaaiii a e?enoaeee/aneii ninoiyiee. E?enoaeeu - yoi oa??aeua oaea, aoiiu e iieaeoeu eioi?uo caieiatho ii?aaeae?iiua, oii?yaei/aiiua iieiaeaiey a i?ino?ainoaa. E?enoaeeu eiatho ieineea a?aie e i?aaeeueioth aiaoithth oi?io. Oece/aneea naienoaa e?enoaeea caaenyo io aua?aiiiai a i?i iai?aaeaiey, iai?eia?, eonie nethaeu a iaeiii iai?aaeaiee iiaeii eaaei ?aci?aaoue ia oiieea ieanoeiee, ii ?aci?aaoue aai ii iai?aaeaieth, ia?iaiaeeeoey?iiio ieanoeieai, cia/eoaeueii neiaeiaa. Yoi iauyniyaony no?iaieai aai e?enoaeee/aneie ?ao?oee. Caaeneiinoue oece/aneeo naienoa io iai?aaeaiey aioo?e e?enoaeea iacuaatho aiecio?iieae. Ana e?enoaeeu aiecio?iiiua. Oa??aeia oaei, ninoiyuaa ec aieueoiai /enea iaeaiueeeo e?enoaeeeeia iacuaatho iieee?enoaeee/aneei. A iieee?enoaeee/aneeo oaeao ana iai?aaeaiey ?aaiii?aaiu e eo naienoaa ii anai iai?aaeaieyi iaeeiaeiau, ii a eaaeaeii ec iaeaiueeeo e?enoaeeeeia aiecio?iiey i?iyaeyaony. Iaeeii/iua e?enoaeeu iacuaathony iiiie?enoaeeaie. I?eia?ii iiiie?enoaeea neoaeeo e?oieiea niee, a iieee?enoaeea - iaoaeeu, eonie naoa?a. E?iia e?enoaeee/aneie oa??aeua oaea eiatho au? e aioi?ioth oi?io. O aioi?iuo oae iao no?iaiai ii?yaeea a ?aniieiaeaiee /anoeoe. Oieueei aeeaeaeoea aoiiu-ninaaee ?aniieaaathony a no?iaii ii?yaeea. Naienoaa: 1) Ana aioi?iua oaea ecio?iiiu, oi anoue eo naienoaa iaeeiaeiau ii anai iai?aaeaieyi. 2) I?e aiaoieo aicaeaenoaeyo aioi?iua oaea iaia?oaeeaatho iaeiia?aiaiii ae?oaea naienoaa eae oa??aeua oaea e oaeo/anoue eae aeeaeeinoe. 3) I?e ieceeo oaiia?aoo?ao aioi?iua oaea iaiiieiatho oa??aeua oaea ii naiei naienoaai, a i?e iiauoaiee oaiia?aoo?u eo naienoaa eo naienoaa an? aieaa e aieaa i?eaeeaeathony e naienoaai aeeaeeinoe. Ii?aaeae?iiie oaiia?aoo?u ieaaeaiey o aioi?iuo oae iao. Iai?eia? noaeei, niiea. Iiieiaiea no?oeoo?u aioi?iuo e e?enoaeee/aneeo oae iicaieyao nicaeaaaoue iaoa?eaeu n caaeaiiuie naienoaaie.Aeeao ?24 - Aeaoi?iaoeey oa??aeuo oae. Aeaeu aeaoi?iaoeee..Aeeao ?25 - Iaoaie/aneia iai?yaeaiea. I?i/iinoue. Caian i?i/iinoe. Ieanoe/iinoue. O?oieinoue., iacuaaaiiai i?aaeaeii i?i/iinoe. Yoa aaee/eia caaeneo io iaoa?eaea e ea/anoaa ia?aaioee. Iaoa?eaeu, o eioi?uo iacia/eoaeueiua iaa?ocee aucuaatho ieanoe/aneea aeaoi?iaoeee, iacuaatho ieanoe/iuie. A iaoa?eaeu, eioi?ua i?e iaaieueoeo aeaoi?iaoeeyo ?ac?ooathony, iacuaatho o?oieeie.

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