求算式謝謝

(和 次若 若x三8.72。?y三-0.36 ,則悶一82+16)y一 7 人 (A)1264 OUR(CGURLGSRUD) 64

求圈起來的幾題

補史名www asftrppfysfts 600) For Thoughtand Diseussion tneuish the Aristotelian and Galilean/Newtonian views ofihe ball bounees ofrawall with the same speedithad beforeithit Wall Has its momentum changed? Hasaforoe acted on the 2 Has aforee acted on the wall? Relate your answers to New aws of motion ten use the term "inertias to deseribe human sluggishness 5this usage related to the meaning ofFsinertiae in physics? does aceiling fan continue to rotate even after you have vitched it ofP? Wek erashes into a Stalled cear A student trying to explain the es ofthis event claims thar no forees are involved: the car Tin the way”so itgot hit Commen foot astronaut kicks a ball, hard, across aspace station balls apparent weightlessness mean he astronauts toes 下avity on Jupiters moon Io is one-fifth that on Would happen te your weight and to your mass if nIo? tis the direcetion of momentum oFamoving body? Does it Fthe body: plane aceelerates down the munway, you take your keys r poeket and suspend them by a thread. Do they hang force from the chairon you. iir? Hnot, what forees are fxerrisesaned Problems 85 $ 還2620Groeoeoeardaoeos WiA poaor Wonoeno0 Op ir oa 20。 Staring frorm rest and undergoing constan acceleratiom,a920-kg ar covers 410 min $.15 8. Find the foree on the car 21 dropping dontest, a student encatses am 83-g cgg in large Styrofoam block. fs g emn'texceed 2.0N and 計the bloek hits the g pow mueh must the Styror jompress on impaet) Note: The aceelei assoeialed with stOppi gravity while the Styrofe the ground. 22. Inatront-end collision, a 1400-kg car with shockzabsorbing bump: ems can withstand amaximum force of 75kN before damage Gccurs: Hthe maximum speed foranondamaging collision is 9.0 kmzh, by Bow much must he bumper be able to move relative to the car? section 4.4 The Force ofGravity 23。 Show that the units of aceeleration can be written as N/kg- Why doesitmake sense to give gas 9.8 N/kg when talking about imass and weight? 24. Your spaceship crashes on one of the Sun's planets, Fortunately 上 the ship's scales are intact and show that your weightis 680 N.H your mass is 58 kg, where are you? (imr: Consult AppendixEE) Your friend can barely lift a 35-kg concrete block on E: massive ablock could she lift on the Moon? 26 Acereal box says "net weight 350 grams” Whats the actual Weight ta in SLunits and (b) in ounees? 27. Youre asafety engineerforabridge spanning the U,S-Canadian border. U.S. speeifications permit a maximum load of 10 tons What load iimit should you speeify on the Canadian side. where welght is given in kilograms? 28.。 The gravitational acceleration atthe lntermational Space Stations altitude is about 91凶 oFits surface value. Whats the weightofa 64-kg astronaut atthis altitude? ection 4.5 Using Newton's SecondLaw A 50-kg parachutist deseends atasteady 40 km/h. What foree does air exert on the parachute? 30, A 960-kg motorboat accelerates away from adock at2.1 m/s Its propellerprovides a3.9-kN thrust force. What drag force does the water exert on the boat? An elevator aceelerates downward at2.4 ms. What force does the elevator's floor exertona52-kg passengery 32. At 560 metric tons, the Airbus A-380 is the World's largest air- liner Whats the upward force on an A-380 when the plane is (am flying at constant altitude and (b) aceelerating upward at 15m/s2? 33. Yourre an engineer working on Ares 1 NASAs replacement tor the space Shuttles. Performance speces call for afirst-stage TOcket Gapable ofaccelerating atotal mass 0f 600 Me vertically ftom Testt0 7700 km in 1.7 min. Youre asked to determine tbe re- quired engine thrust (force) and the foree exerted ona79-kg as- tronaut during Tiftoff. What do you Teport? 34. You step into an elevatorand itacceleratesto adownward speed gfF8.8 mAS in 2.4 5 Quantitatively compare your apparent weight during thistime with youracetual weight, 44.6 NewtonsThirdLaw ional foree does 3 5600-kg elephant exer 必 63. she jumps ofta140-emhi過台 人 rdheras she falls?

第五題B為什麼錯

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求解🙏🙏🙏

“URL IU IN DU 計二條 2人人全全 ) D) (0C 60 (D) 92 2Xxy,= 11ftx22 db ! 已知HH 的原子量為1',He 的原子量為4,C 的原子量為 12,N 的原子量為 14, o 的原了還 16,每一個 He 原子質量約為 6.6X10 ?g。今有一純物質每一個分子的質量約為 5X 10“,g 則此分子最可能為下列何者 ? Q0加宣汪TE王 98-I-49. w CH 16x102 個分子的質量即為分子量, 品昌? 故分子量= (ONH, 2 各選項中物質的分子量依序為:( CH三 9 CH,O末 (B) HaO三 ;(CGNH;三 ;(D CH,OH三 12,0 的原子量為 16。某物質所合 C、H、O 的劉g 登 概念澄清 102-試辦-23. 了二1二 池 0 過 B C,H,OH 向Dy漳 (xee_ 人bb yu AA ) 時. H 和入革 1',C 的原子量為 :8,則此物質最可能為下列何者?

照片中的題目，求解(๑ºั╰╯ºั๑)。

肯右圖為某物體 直線運動時的位置 (x) 與時間 (t) 關係圖, 若以東為正,設ti 時的瞬時速度為 vi ,€& 時的瞬時速度為 v,。, tf&間的平均速度為v,則下列敘述何者正確,? IM應8負人 URL 昌 器扣度 Q的大小大於速度wi 的大小 人 vi十V (Ov=一一生 選 有 凈 0該物體具有的加速度方向而西

類三 如何判斷BCDE

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第20題要怎麼下手呢？

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麻煩講解，感謝

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51求講解 解析說在最後一段藍筆畫的 但沒有說平等ㄚ

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求22解析 2.include後面介系詞接什麼 3.24的C meant for 是什麼意思？

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