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# FoundationsofCollegePhysics PHYS0000A

GPA 3.66

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This 37 page Class Notes was uploaded by Nathaniel Monahan on Tuesday October 20, 2015. The Class Notes belongs to PHYS0000A at Sierra College taught by Staff in Fall. Since its upload, it has received 17 views. For similar materials see /class/225392/phys0000a-sierra-college in Physics 2 at Sierra College.

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Date Created: 10/20/15

Reminders Exam 1 Average 82 well above normal Read Chapters 4amp5 Hand in Assignment 3 Problem Monday 3rd Webassign Vectors due Tonight 4th Webassign Ch 4amp5 Due Monday July 21 Answers to Standardized Test p117 D 20m no choice correct CABDBD Website for practicing on trigonometry Site provides solutions to problems www h otmath comh elpgtgen ericangin dex h tml July 17 2005 A rocket accelerates from rest to 2670 ms in 6345 s The mass of the rocket is 2150 kg Its average thrust is 126x10 N What is the rocket39s average acceleration r What is the net force acting on the rocket What is the frictional force acting on the rocket 0 Av 91105 E 6145 0 quotqmg l ma 391 EqDSMlSFV 39Fiia g E Ect mo lt F 39 b e lNl a 10an 3inquot AI July 17 2005 A 20 kg block is given a push such that its initial velocity is 60 mls It comes to a stop after traveling 90 m r What is the object s acceleration r What is the frictional force acting on the block Vg w a 15X v r to 0 42 quot m 35x L VisLoJs i a 139 0quot 6 0 D o quotISL 3 915 Vt maao2 QDquoi I 2quot LLDN July 17 2008 A piece of paper that has not been crumpled quickly reaches its terminal velocity The piece of paper has a mass of 18 9 When it is crumpled it falls at a rate of 82 mls2 What are the forces acting on the paper What is the force of air friction when it reaches terminal velocity What is the force of air friction on the crumpled paper when its acc is 82 mlsz g quot QT r m3 0 8331319 M5 O7LW om TL O Q mjz39MQ L 5 L M mm 031q gt039859 oonM mrm a OQNN July 172009 July 17 2008 A 2 0 Caps Loquot AK 90wto 3 70 an O 399 39 703m0 CY 40 C0545 Cw 39i am f A 30 A9 5 l x o 0 2 10 bf Cmquot 2 c39 391 3 13 I13 1 Q 1 3 k39cm 13 July 172008 0 7M 9 mm 0170 boN G7 602 69 3506mgo LBN 0 39 l g 50 cag aov as N 95M stasw RHz 431V quot5 R rk N31C1YNL1 5W 1 0 93 39Lwx 3 quot 35 a 1om r we 0 5 3 1N 945 quot A ATLAMM 4165 w A 5750mm An COS g1 gwj 5GOL 521 65 083n a q 6 quotquot 39 I 1 1 a quot421 quotif 073008 Reminders Chapter 8 Homework Due Tonight Don39t forget to hand in the problems that are designated to be turned in Next Exam Tomorrow Chapters 68 Read Ch 9 073008 A uniform disk of radius 0140 m and mass 600 kg is pivoted so that it rotates freely about its axis A string on the pulley is pulled with a force of 250N What is sand 1 What is wafter 500s What if the disk is replaced by a hoop 7 Answer 35Nm 595mds 298 rads 298 rads2 ET 47121131 C E 250Nowm BSWH S K 141 JSMEKK d DY Mass 1575 3943 39 kaLulo w 139 L0 k but 1 O a k Qa is ngoo W5 Army sMs 4 um 30mm sonic I 396 Vol11 as larvae 45 w vb disk 073008 A uniform cylinder of mass M and radius R has a string wrapped around it The string is held xed and the cylinder falls as shown Show that the acceleration of the cylinder is a29l3 Find the tension in the string N K 2 T Mss39m 9 92 241am Thimfx a TR Mfg fun I T Mat MQ Mq M Mq 1 3 3761 5 392 03 3 J 3 5 T231354 July 22 2008 Reminders Exam 2 Chapters 45 Thursday July 24 Print Out Sample Exams From Our Website focus on problems 5 Exam 1 F01 problems 23amp5 Exam 2 S00 problem 14 Exam 3 F01 problems 4amp5 Exam 4 S00 4th Webassign Ch 4amp5 Due Tonight Answers to Standardized Test p 145 1C 2B skip 3amp4 5B 6B skip 7 July 22 2008 M sHm M qMLQ quotM sW533 quotHOU39ALQ ngx mg Qmm 1 Smrm g m ML Mes VH I39m9 mum r3 M ngnbi 1439 M m I T 1 c3 39 MIQVQI mDS W quot391 J uly 22 2008 A A 39 quot M1 2 5 SMB 3ng b o g gsmso 139 LLQM 3quot N0m4 w fro 2 5 Fm m5 case 0 Ra mscme AW 23x fiat sovz Ax Lo mac3 I y l idus f 3amp5 a 5105 41 July 22 2008 my may WW 4am q imi my imam lug W July 22 2008 A rescue helicopter is lifting a man weight 822 N from a capsized boat by means of a cable and harness n What is the tension in the cable when the man is given an initial upward acceleration of 110 mIsZ Q76 aJQi CS P03 039 0M L AW 2 5X W 5 vrx L 7 amp 31 sz AX N L Z 01939 5 July 22 2008 An object is fired in the horizontal direction off a 25 m cliff with an initial velocity of 32 mls r 7 How long is it in the air How far does it travel in the horizontal direction What is its velocity when it hits the round below Va 324 TR A L a v V 3 gut t S 11 t 7 6 3 755 15XL311s23315 l Aj MA O lamp0133 5134 V 3lmfs V 39 lwcuz39sa 31 3 11 9 304 3 31 15 Suinu Cw 2360 July 22 2008 3 9 T Th4 Tease 3 ex quot TS MD M ZR TSmalqu ZSquot TCasem3ma r Tbt n z LEL Tames mbgu 1 0 name 1 3 QK9 3 1104130 9 QKI 035 3130 lo w 95 vesyedr 1m LyRD 080508 Reminders Chapter 9 Due Homework Tonight Chapter 1011 Due Wednesday Night Next Exam Thursday Chapter 911 Answers to Standardized Test p 255 Skip 1 2C skip 3 4D 5C skip 6 7A 080508 39 H7 A horse pulls a cart with a force of 4011 I2 N What is the work done on the cart after it has traveled 11 m rd gm WNW Web NM 5 LNOGU 0000 08 QM Nd owe Pam Wit wank Qua au We Goran 57v RUSSIN ovu k l WV szxsv a NMJSWB 5 w an 55 39 M Cw 1 quotA 080508 Suppose a horse pulls a cart with a force of 40 M102 N What is the work done per unit time on the cart after it has traveled 1139 rn in 5 s 080508 Suppose a car has a mass of 1000 kg and is traveling at the rate of 20 mls what is the kinetic energy of the car What happens if its speed is tripled Halved 080508 A 20 kg gun res a 50 g bullet The bullet has a velocity of 60 x 102 ms Find the recoil velocity of the gun Note the momentum of the bullet is equal to the momentum of the gun The bullet causes a lot more damage to us than the gun itself Why Tigh wn quot Lu39tldl 1 YEW a 0523 5213quot lt 5 Wkquot 400 awning s lw Nm 3 MAE Eull r gt115 mart 0011 5 0 8amp0 080508 A gun with a muzzle velocity of 40 x 102 mIs horizontally fires a 12 g bullet into a 20kg block resting on a frictionless surface The bullet comes to rest after traveling 15 cm L What is the work done on the bullet by the block in bringing it to a complete stop What is the force and average power required to stop the bullet What is the average acceleration of the bullet I What is the work done on the block in this time s W wwu oxt39m mahm 3n QQJ E 0 stratum 3mm 9449 is g H1192 Jrvt 16 MMQV 1 M Maxi M a L Guy mg Iquot aL nls Nm quot 391 quot s C MRHS QWBD HUI 39 415039 a 9603 gquot me F ma Nedav s 14 w as attachi 7 M T ms 4 53mg um wt 6 gtL3xbhd lg IL 7 chv V o W q Shif 7525 130339 Q ism 1 1 quotsmo W a 1 L Mbhdf lam Vb 395 3b 9 Q95 0 39 570 080508 Er n v weights of the boxes and the applied horizontal force for each case are given in the indicated figures The frictional force is 20 of the weight of the box 3 10 Ntkg Rank the change in kine c energy for each box from the greatest ohange in kinetic energy to the least change in kinetic energy All homes have an initial velocity of 10 mfg direction is to the right and to he left with 4 lt I i C Q i L M 9 ION ON leOONl l A EON ION EON 050 393 SUN l Ste G E XV H Java95 3 A2 Cs 4b2 L J a Greatest l S Leas Wean 91 g SvS JJ 5 39 P v MCV IE1 5 Ls ns LRbg 5 Irt TaI39Vt R Z F Aamp 6 V 0 396 cwbmbm lb 0 my 2 a 2 3H Mai 60 I Er 0 a6 T328 Esud u 60 a mu 4 3 O n afarFm 9500 gfwss mu v 32 u rlt 9mpo 255 has 0 n drn M r0 gmgww 1 Avmnbano an 9wa 071008 071508 Reminders Read Chapters 4amp5 2nd Webassign Ch 2amp3 due Today 1159PM 39EXMQMSLMQMMMM Print Qat Sample Exams From Qar Kebsite focus on problems 14 Exam 1 F01 problems 13amp4 Exam 2 F01 problem 16 Exam 1 S00 problems 13 amp 4 Exam 2 S00 Need Scienti c Calculator for Exams Answers to Standardized Test p85 CBAACCDBD 144ms2 Mrs Shang and I are available to answer questions after class Please feel free to use us as a resource 071008 071508 Vectors cont d Parallelogram Method Draw vector n with its tail at the origin Place the tail of vector at the origin Complete the parallelogram Draw the resultant from the origin to the opposite side of the parallelogram 071008 071508 A vector is 600 units long and directed 300 degrees above the xaxis A second vector is 800 units long and directed 450 degrees below the xaxis Determine the magnitude and direction of the resultant vector 11023 39 s L s i A8400 cos 500 R T 520 00 15 565 395 E 1085 9 l 392 R 3 Mo s31 2642m s 3164 o e x 4 gm 3v 132 xQxfs 071008 071508 Let s add the following three vectors Sketch the vectors VectorA 300ms at 3690 West of South Vector B 600ms at 66 0 North ofWest Vector C 900ms a East of North N r E 9 ofA39gt0OC0590 363 39or 300w 3651 1st step find the find the xcomponent of BT L05 find the xcomponent of C q 55 2nd step find the ycomponent ofA find the y of B find the ycomponent of C aid step Sum the Sumthey Am step Use Pythagorean Theorem to find magnitude of resultant Magnitude m step Calculate direction of resultant vector using Angle 071008 071508 The length of vector A is 250 units and the length of vector B is 350 units If these two vectors are added together what is the maximum possible length of their sum Please illustrate your response with a drawing 600 units the vectors must be parallel What is the minimum possible length of their sum Please illustrate your response with a drawing 100 units the vectors must be in opposite directions 071008 071508 cipher o New vb Dnls as 39o D Jud 3 70 Manolo JLvu and NW rvok 53 cm X 4 XCM ICM39 t L x3939vuoZ Qk bat wanA kacksxcm Ichk in l Um 1quot 21339 quot ka t 1 given Q Vbok

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