# 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 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

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