Question

A 2 kg mass of putty D strikes the uniform 10 kg plank ABC with a velocity of 10 m/s.(Figure 1) Part A If the putty remains attached to the plank, determine the maximum angle of swing before the plank momentarily stops. Neglect the size of the putty Express your answer with the appropriate units. μΑ ? Value Units Figure 1 of 1 Submit Request Answer Provide Feedback D 300 mm B 800 mm 400 mm Activate Windows Go to Settings to activate Win

Answer 1

slate Before Impact Putty mass Given 2 kg majs of Plank M = 10kg Vstomis V=0.32 03 0-3 Roof B 'w, o sacks Wz. 0.4 stale e suf affer impact, momentum ор angalas From consesvation [HB) 2 (HBA (my) (0-3) IGT Em V2) (0-3) + IB W₂ - 1 IB mc0022 + me²+ m (0.232 12x102 102 2 + 1000022 IB = too kg. m 2 Z (60 0.3 Wz) CO. 3) + 106 Wz En 6 =) (2010) (0.3) 20GA1078Wz os > W2 = 3.321 sades

Too2m U=0.342 9 om W22 3.32) red State state Conselvation af from Energy principle Tot Ya I + V₃ Energy at 2 Tosal kimenic Tar I IB W₂ ² + 1 ma į (-6) (3:3213² + (2) ( 3.378 2003) 2 T2 = with state deatherm as Potential Energy at grate 3 mg 10-3 sine) ti V3 = mg 10.2 sino) In mass /puffy moned to Gogood moved downhard cepwald 10248/2012 Sino 229-81 20 38ino Vz 13.734 Sino 10.11= 13.234 Sino Ein 1) =S sintl 10.) 13.23y ) o o = 47.4 /Ansal