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5. Three particles of masses 1.3 kg, 2.5 kg and 3.7 kg are located at the...

Question:

5. Three particles of masses 1.3 kg, 2.5 kg and 3.7 kg are located at the points ( 3,4) m, ( 16,5)m, and (-1,2) m respectivel

5. Three particles of masses 1.3 kg, 2.5 kg and 3.7 kg are located at the points ( 3,4) m, ( 16,5)m, and (-1,2) m respectively. Calculate the rotational kinetic energy of this system of particles if they are revolving around the x-axis with an angular velocity of 3 rad/s. (1 point) A. 554.692 J B. 191.216 J C. 441.45 J D. 831.483 J E. 377.97 J 6. Three particles of masses 8.3 kg, 4.5 kg and 9.7 kg are located at the points (-12,5)m,(-11,-5) m, and (8,4) m respectively. Calculate the angular momentum of this system of particles if they are revolving around the x-axis with an angular velocity of 30 rad/s. (1 point) A. 20961.787 Js B. 25317.656 J s C. 8664.091 Js D. 14256 J s E. 3559.751 J s

Answers

s. There are three particles of 3.7 kg 2.5 kg are mass t3 kg- and located at the pointa (6.5) mand (-1,2m rexpectively. haveformula inertia moment og of the system in Çm; 6? where, mi from the mass of the point particle V Perpendicular distance rotaNow Rotational kinetic energy RIKE 12 I w² こ 1 / 4 X98-) X 32 FREE = 441-45 Option C is correet. are three particle of 9.7 8C (321) 28.8=1m Ms = S 4 9.71g (84) 3 2 1 1 1 1 - 12 +1 -10 -9 -8 -7 -6 -5 _4 -3 2 1 3 ។ 5 6 -2 -1 -1 8 7 9 11 12 141,-5) -3Now, angular momentum the oyaten in Angular momentum (L) I w = 47.5-2 X 30 L 14256 J-see Option (1) jo correet. CS Scanned wi

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