The masses are Q=0.500 kg, R=0.300 kg, and S=0.600 kg. Calculate the x and y coo

Question

The masses are Q=0.500 kg, R=0.300 kg, and S=0.600 kg. Calculate the x and y coordinates of the Center-of-Mass of this three mass system.

Chrome File Edit View History Bookmarks People Window Help +9 % 6496 H, 4)) Mon 12:25 PM a E You QLON-CAPA Point masses × eChegg.com https://s21 temsu.edu/res/msu/kashy/physicsLib02/15 CM Momentinertia CMpt massgid problem?symb-uploaded%2fmsu%2f6i3152883c582567dmsull%2f Main Menu Contents Grades » Homework set #4 (due 2/ 16 at 11:59PM) » Point masses in a plane: CM (-) Timer Notes Feedback P Course Contents » Evaluate Print Info Three spherical masses are located in a plane at the positions shown below. -5-4-3-2-10 1 2 3 4 5 x (m) The masses are Q=0.500 kg, R=0.300 kg, and S=0.600 kg. Calculate the x and y coordinates of the Center-of-Mass of this three mass system. XCM = YCM = Submit Answer Tries 0/20 Post Discussion 'Send Feedback

Explanation / Answer

Work the x & y coordinates like 2 separate problems:
I have to assume the positions are given in units of meters because you didn't include the units

Q=0.500 kg,

R=0.300 kg,

and S=0.600 kg

Point Q is at (3 , -3)
Point R is at (5 , 5)
Point S is at (-3 ,4)

Xcm = Moment/mass = (.500*3+.300*(5)+.600*-3)/(.500+.300+.600... = 10.71 m

Ycm = (.500*(-3)+.300*5+.600*4)/(.500+.300+.600... = 1.71 m

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