Question

22 Bom S Module 3. Planar Krematiese PowerPoint Presentation Mastering Engineering Master x A Stop Block S. Prevents A Crat: A https://session.masteringengineering.com/myct/itemView?assignment ProblemID=11103266 UTRGV Register your busin Get federal and stat. My Drive - Google... Engineering Mecha. My Giving - The We.. vag NP 8 UFIED Dell Homework for MO2.5 Others Problem 15.93 - Enhanced with Hints and Feedback 21 of 21 Disks A and B have a mass of 18 kg and 10 kg. respectively Figure 1) Review Part A if they are sliding on a smooth horizontal plane with the velocities shown dermine the speeds just after impact. The cocofrestution between them is c07 Enter your answers in metus per second to three significant figures separated by a comma View Available Hint 70 AED ? /s Submit < Return to Assignment Provide Feedback Figure 1 of 1 > Line of impact 10 m/s . 8 m/s

Answer 1

Solution is attached in the image Posted below.

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S klomis MA. 16 kg MB- 10kg e=0.7 R omis we will use the Law of Conservation of momentum. LA- &lomis - ans Considering horizontal Direction LAR= VACOS a VB4 =WB COSO MAVA cosd 4MBYB COS MAYA' COSDA Ara BVB' COSOB s 16x10x 3 10 Yox 3 } او 3 = 16A COSQA +10 VB COSQB 48= 16 VACOSOA +LOVB' COSOB 0 using Relation of substitution VIB-YA e= 3 -VA

VB4 Yah 18x3 -{-0x33 0.7 x[10.8] \BH-LAH 9.56 = BH-van do Both are along ne axis non using conservation of Linear momentum Initial Momentum final Momentum. MANAI MANA) Than means (Valg = (haly [Along vertical D x VA'sinda Jln VA- LAXY ssinda uxio ssinQA Sinda Similarly for disc B. VIBY Y = VB'sindB s UB 6.4 SinoB S sina 3

NON as we have egn of n' &&B' will replace them in equation 1 we COSOB 48= 16x & x COSA + Sinda 10x 6.4 Sin OR 48 = 128 COAQA & 64 Coto B Similarly putting these value in equation :- volu- ValH 7.56 \B'Cos&B- VACOS QA = 7.56 6.4 COSQB- S COSA= 7.56 sindo Sinda 6.u cot013 & Coton=756 Now solving the simultaneous equation eos Coto A= - 0.1326 QA- - 02.407 COTOB= 1.053 QB = 44.565°

Now putting value of a AGDB in Relation of val &VB' -0.oamis LA'= 8 sinda Sim (-82.447) \B' = 6.4 SindB 6.4 sinuu.565 9.12 mis Hence speed after impacta VA= 8.07 mis 9.12 mis X/B -