博鱼体育жөҒдҪ“еҠӣеӯҰдјҜеҠӘеҲ©ж–№зЁӢеҗ„йЎ№д»ЈиЎЁд»Җд№ҲдјҜеҠӘеҲ©еҺҹзҗҶеҫҖеҫҖиў«иЎЁиҝ°дёәp+1/2ПҒv2+ПҒgh=C,иҝҷдёӘејҸеӯҗиў«з§°дёәдјҜеҠӘеҲ©ж–№зЁӢгҖӮејҸдёӯpдёәжөҒдҪ“дёӯжҹҗзӮ№зҡ„еҺӢејә,vдёәжөҒдҪ“иҜҘзӮ№зҡ„жөҒйҖҹ,ПҒдёәжөҒдҪ“еҜҶ博鱼体育:伯努力方程中的P是什么(дјҜеҠӘеҠӣж–№зЁӢдёӯзҡ„PжҳҜд»Җд№Ҳ)4гҖҒжё©е·®жҲ–жө“е·®е°„жөҒејҜжӣІдә§з”ҹзҡ„еҺҹеӣжҳҜд»Җд№Ҳ?5гҖҒйҷ„йқўеұӮеҲҶзҰ»зҡ„еҺҹеӣжҳҜд»Җд№Ҳ?6гҖҒиҝҗеҠЁзІҳж»һзі»ж•°rзҡ„зү©зҗҶж„Ҹд№үжҳҜд»Җд№Ҳ?7гҖҒжөҒдҪ“еҠЁеҠӣзІҳж»һзі»ж•°uзҡ„зү©зҗҶж„Ҹд№үжҳҜд»Җд№Ҳ?8гҖҒе…ғжөҒзҡ„зү№жҖ§жҳҜд»Җд№Ҳ?9гҖҒдјҜеҠӘеҲ©ж–№зЁӢ=g2u

1、uдёәйӣ¶жҳҜжөҒдҪ“йқҷжӯўж—¶пјҢдёҚжөҒеҠЁпјӣpжҳҜзӣёеҜ№еҺӢеҠӣпјҢдёҖиҲ¬д»ҘеӨ§ж°”дёӢж—¶зҡ„зӣёеҜ№еҺӢеҠӣдёәйӣ¶гҖӮз»қеҜ№еҺӢеҠӣдёәйӣ¶пјҢйӮЈжҳҜиҰҒеҺ»йҷӨеӨ§ж°”еҺӢдёӢзҡ„йӣ¶зӮ№гҖӮ

2、еҚҺжі°еңЈиҫҫиҸІж•…йҡңзҒp2128.p2132жҳҜд»Җд№Ҳ?p2128жҳҜиёҸжқҝдҪҚзҪ®дјж„ҹеҷЁејҖе…і5з”өи·Ҝиҫ“е…Ҙй«ҳp2132жҳҜиёҸжқҝдҪҚзҪ®дјж„ҹеҷЁејҖе…і6з”өи·Ҝиҫ“е…ҘдҪҺдјҜеҠӘеҲ©ж–№зЁӢдёӯзҡ„P1.P2йғҪжҳҜд»Җд№Ҳзҡ„еҺӢејә,иЎЁеҺӢ

3、е°ұжҳҜжөҒеңәдёӯиҜҘзӮ№зҡ„й«ҳеәҰ.з”ұдәҺvе№іж–№/2g+p/ПҒg+z=еёёж•°,е®ҡзҗҶдёӯжҜҸдёҖйЎ№йғҪе…·жңүй•ҝеәҰзҡ„йҮҸзәІ.жүҖд»Ҙp/ПҒgиЎЁзӨәжүҖиҖғеҜҹзӮ№зҡ„еҺӢеҠӣжҪңиғҪзҡ„еҗҢж—¶д№ҹеҸҜиЎЁзӨәе®ғиғҪе°ҶжөҒдҪ“еҺӢеҚҮеҲ°жҹҗдёҖй«ҳеәҰ

4、еңЁдјҜеҠӘеҲ©ж–№зЁӢдёӯ,p+ПҒgh1/2)*ПҒv=C1/2)*ПҒvд»ЈиЎЁзҡ„жҳҜA.жөҒдҪ“зҡ„йқҷеҺӢB.жөҒдҪ“зҡ„еҠЁеҺӢC.жөҒдҪ“зҡ„еҠҝиғҪD.жөҒдҪ“зҡ„еҠйҖҹеәҰE.жөҒдҪ“зҡ„дҪҚзҪ®й«ҳеәҰзӣёе…ізҹҘиҜҶзӮ№:иҜ•йўҳжқҘжәҗ:и§ЈжһҗB

5、дјҜеҠӘеҲ©еҺҹзҗҶжҳҜдё№е°је°”В·дјҜеҠӘеҲ©еңЁ1726е№ҙжҸҗеҮәзҡ„,并д»Ҙд»–зҡ„еҗҚеӯ—е‘ҪеҗҚгҖӮдјҜеҠӘеҲ©еҺҹзҗҶеёёиЎЁзӨәдёәp+1/2ПҒV+ПҒGH=c,иҝҷдёӘе…¬ејҸз§°дёәдјҜеҠӘеҲ©ж–№зЁӢгҖӮе…¶дёӯpжҳҜжөҒдҪ“дёӯжҹҗзӮ№зҡ„еҺӢеҠӣ,v

6、ж¶ІдҪ“еңЁж°ҙе№іжҲ–жҺҘиҝ‘ж°ҙе№іжқЎд»¶дёӢжөҒеҠЁ,жӯӨж—¶,жңүh1=h2жҲ–h1вүҲh2,дјҜеҠӘеҲ©ж–№зЁӢеҸҜд»ҘзӣҙжҺҘеҶҷжҲҗ:P+1/2ПҒv*2=еёёйҮҸжөҒдҪ“й«ҳеәҰдёҚеҸҳж—¶,еҗҢдёҖжөҒз®Ўдёӯ,жөҒз®ЎжөҒйҖҹеӨ§зҡ„ең°ж–№еҺӢејәе°Ҹ,жөҒйҖҹе°Ҹзҡ„ең°ж–№еҺӢејәеӨ§гҖӮ

(1)е’Ң(2)еқҮдёәдјҜеҠӘеҲ©ж–№зЁӢгҖӮе…¶дёӯПҒv^2/2йЎ№дёҺжөҒйҖҹжңүе…і,з§°дёәеҠЁеҺӢејә,иҖҢpе’ҢПҒghз§°дёәйқҷеҺӢејәгҖӮдјҜеҠӘеҲ©ж–№зЁӢејҸзҡ„зү©зҗҶж„Ҹд№үе…¶е®һжҳҜиғҪйҮҸе®ҲжҒ’зҡ„дёҖз§ҚеҪўејҸ:еңЁз®ЎеҶ…дҪңзЁіе®ҡжөҒеҠЁзҡ„зҗҶжғіжөҒдҪ“е…·жңүеҺӢеҠӣ博鱼体育:伯努力方程中的P是什么(дјҜеҠӘеҠӣж–№зЁӢдёӯзҡ„PжҳҜд»Җд№Ҳ)дјҜеҠ博鱼体育ӘеҲ©ж–№зЁӢвҖўвҖўзј–иҫ‘жң¬ж®ө]p+ПҒgh1/2)*ПҒv^2=CејҸдёӯpгҖҒПҒгҖҒvеҲҶеҲ«дёәжөҒдҪ“зҡ„еҺӢејәгҖҒеҜҶеәҰе’ҢйҖҹеәҰпјӣhдёәй“…еһӮй«ҳеәҰпјӣgдёәйҮҚеҠӣеҠйҖҹеәҰгҖӮдёҠејҸеҗ„йЎ№еҲҶеҲ«иЎЁзӨәеҚ•дҪҚдҪ“з§ҜжөҒдҪ“зҡ„еҺӢеҠӣиғҪpгҖҒйҮҚеҠӣеҠҝиғҪ