求解第五，第六題的明確詳解及意思說明，感謝！

器材:100 公分長布只一捲 方法:請使用步尺連續則量10 次你的步長並記錄在下列表格中 大數 1 2 3 4 5 6 7 8 句 10 平均 26. 32 29. 29. 31 30 29. 28. . 29 30 29。 . 5 5 5 5 5 5 a 69 偏差量 -3.1 。 2.8 -0.1 -0.1 1.8 0.3 -0.1 -0.7 -0.6 0.3 0 9 1 9 日。 1. 1 9 a a 1 (1) 根據上表數據計算對應偏差量:(AV = ="), i = 次數,並填入上表偏差量 對應數據格中。 (2) 計算平均值;_29.69. (3) 計算標準偏差平均值的標準差X): DS Axi N(N − 1)-0.23968(N=TEMBE) (4). $* fto=29.92968 0= (5) 計算變異係數大於5%,若是則將離平均值最遠的數據去除後,再計 算平均值及變異係數直到變異係數小於5%為止 (6) 根據下表不同測量次數之偏差臨界值T = 10 ,將超過“士之数幾除 文數 2 3 4 5 6 7 8 9 10 11 >11 t 1.1 1.3 1.5 1.6 1.7 1.8 1.8 1.9 1.9 2.0 2.0 5 00 N 4 3 o 6 1 6 0 0 偏差臨 界值量

不好意思，可以問這題的詳細解法嗎?

在氢原子中,一個電子從2s軌域跳到5p軌域需要多少焦爾(Joule)的能量呢? 計算題的答案如果需要以科學記號表示,請參考下面範例: 在計算紙上的表示法:6.626x10 -34 • 在 ewant 系統輸入的格式:6.626E-34 或是6.626-34 . 答案: x 正確答案是:4.58e-19

求解20題~

(A) + 25 Nes (B) - 25 Ns 发 + 30 kg m/s,其所受到的衝量為何?V= (C) + 50 Nós (D) - 50 Nis (E) + 100 Nis T-M- 2 24. 已知一個波長1w的红外線光子能量約為12.4V。那麼一波長為40 m 之藍光光子能量約為多少? (A) 0.56 eV (B) 1.24 eV (C) 1.45 eV (D) 2.76 eV (E) 4.5 eV 21. 已知MN血型為一種等顯性遺傳,某一族群中,其MN血型的遺傳符合

第4、5題

(kg/m), 就決定 x, y,並說明是何種密度. 2. 請以積分的觀念與方法,計算底面半徑為a,高為h的圓錐體的體積。 3. 請以微積分的觀念,推導出從0 位置以 Vox 速度出發,沿x方向進行等加速 度 as 的物體的四大運動公式。 o s = g x=x+Pox++za, 13-1+2a, (x-x) h=! 解題小幫手 0. 系統簡圖 1. 力的疊加圖 2. 分量關係圖(好座標帶上天堂) 3. 位移、速度、加速度關係圖 4. 數學技巧 x-&- 4. 一條魚可以遊速3m/s 在靜止的水中游泳,如要遊過一條寬15m,流速4m/s 的河流,請問最速路徑為何?並計算沿最速路徑過何需時多久?魚要沿何方 向出發,可得的最短路徑?請計算角沿此過河的最短路徑需費時多久? 5. 在平地上以初速度仰角0擲球,在不考慮空氣阻力,且球落地即停的情 形下,請計算可得離拋射點最大水平位移的抛射角度為何?

想問5-9 該怎麼算 ？ 第一個選項就可以了 謝謝

the sample size? (b) 250 ing? 211% -6208 *(a) 500 mg. *(c) 150 mg. Xloo to 10.4 ) X100% =0108 / mg 506 016 5-8. A method of analysis yields masses of gold that are low A by 0.4 mg. Calculate the percent relative error caused ylvila by this result if the mass of gold in the sample is 625 mg.6 20 (d) 70 (c) Dit X 106% 8.6 5-9. The method described in Problem 5-8 is to be used for the analysis of ores that assay about 1.2% gold. What minimum sample mass should be taken if the relatived) error resulting from a 0.4-mg loss is not to exceed *(a) -0.1%? (b) -0.4%? 5 * (c) -0.8%? (d) - 1.1%? Slastin 0 (14)。

大一普化 5.36求解

5.38 9389 信4 5,42 sphere (about 30 Where the temperatu lbove the surface of Earth), >and presSure are 一235C : h gd 交 and 3.00 XX 10 atm, respectively. Calculate the final Volume of the balloon. The temperature ot 2.5 L of a gas initially at SUN increased to 2507”C at constant volume. Calculate the final pressure of the gas in atm. The pressure of 6.0 L of an ideal gas in aflexible contalner 1S decreased to one-third of its original presSure, and 1ts absolute temperature 1s decreased by one-half. What 1s the flnal volume of the gas? A gas evolved during the tfermentation of glucose (wine making) has a volume of 0.78 L when mea- sured at 20.1?C and 1.00 atm. What was the volume of this gas at the fermentation temperature of 36.5 C and 1.00 atm presSure? An ideal gas originally at 0.85 atm and 66”C was allowed to expand until its final Volume, preSSure, and temperature were 94 mL, 0.60 atm, and 45 C, respectively. What was its initial volume? The volume of a gas at STP is 488 mL. Calculate 1ts volume at 22.5 atm and 1507C. A gas at 772 mmHg and 35.0”C Qceuples a Volume of 6.85工. Calculate its volume at STEP. Dry ice is solid carbon dioxide. A 0.050-g sample ot dry ice js placed in an evacuated 4.6-L vessel at 30。C. Caleulate the pressure inside the VesSel after all the dry ice has been conVerted to CO gasS, Avolume of 0.280Lofagas at STP weighs 0.400 g. Calculate the molar mass Of the gas. Aquantity of gas Weighing 7.10g at741tor and 445C oeeupies a volume of 5.40L. What is its molar mass? Si人2 5.93 5.54 Dalt 和Ae0U76 5 5.56

請問29怎麼算

0 應用題 4 和 MM =zt | 時 導 你只有 40 mln 可以開車至 235 ml 遠的機 ,但因克:) 通阻 塞,前 15 min。 只開20 了 加條 化下 加 mr 40, 了 天要多估 4 次 7/ ,/AL上JANJ 人、 六 LU

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?

4.59答案為什麼是a

mass, are 「 PASSAGE PROBLEMS 了 R/S BODY. Dancers experience jjmps they make. Tor example Speed7 sma- jZOnta] ) case7? he box )n foT 7 ere no an en- )1S at- 了1S and 1S Ve Up- glvVen 「graph 1 TV planet, when a dancef ]an head by 過e neck cause 負e head to $ 9g.4% of atypical personsm Janding after a Vertical Jump $ 4.0 m/s to restinatime of 0.20 S. 4,57 What 1$ the magnitude Of the average force that her neck exerts on her head during the ]anding? (3) ON; (b) 6O N; (c) 120 N: must exceed the jow down and come to Tes- The head is about as8. Video analysis ot a 65-kg dancer hows that her head decelerates from hthe force her neck exerts on her head during the ]anding, the force her head exerts On her neck 1S (3) the Sames: (b) greater; (co) smaller: (d) greater during the first half ot the land- uring the second halt of the ]anding. 4.,58 Compared Wit 9 and smaller d 4,59 While the dancer 1S in the air and holding a fixed bose what is the magnitude of the force her neck exertS On her heady (3 ON; (b) 6O N; (o]) 120 N; (0) 180 N. 4.60 The forces ona dancer can be measSsured directly When a dancer performs aJump On a force plate that measSures the 10rfce betWween her feet and the ground. A graph Of force verSus time es a Vertical jump performed on aforce plate is Shown lt es at 1S happening at 0.4 $? The dancer is (3) bendlng 0 1S acceleratling downward; (b) pushtung er legs and is almost ready to leave the ground (o in the air and at the to have just touched the 一 her jump; (d) landing and her feel Figure P4.60

第二題麻煩一下~謝謝

ae OLIE_UDOO, Look up the density ofa typlical surface rock like granite in anothersourceand compareitwith the density ofthe Earth. 2 入 which is the nu人所 Ofa 由 Can be modeled as a sphere with a diameter of 2.4 fmtand a mass of 1.07 X 10 ?7 kg. (a) Determine the density of the proton. (bp) State how your answer to part (a) compares with the density of osmium, given in Table 14.1 in Chapter 14. ?, Two spheres are cut from a certain uniform rock. One has TadIus 4.50 cm. The mass of the otheris five times greater. Find its radius. 4 What mass ofa material with density p is required to make 全 時 同 划 呈