Part A Locate the center of mass of the system shown in the figure( Figure 1 ) i

Question

Part A

Locate the center of mass of the system shown in the figure(Figure 1) if all of the masses are equal.

Express your answers using two significant figures separated by a comma.

Part B

Locate the center of mass of the system shown in the figure if m2=m4=2m1=2m3.

Express your answers using two significant figures separated by a comma.

Part C

Locate the center of mass of the system shown in the figure if m1 = 1.3kg , m2 = 2.2kg , m3 = 2.8kg , and m4 = 4.4kg .

Express your answers using two significant figures separated by a comma.

Just need help with this part! thanks :D

xCM, yCM =__________2,2________   m   Part A Locate the center of mass of the system shown in the figure(Figure 1) if all of the masses are equal. Express your answers using two significant figures separated by a comma. xCM, yCM =__________2,2________ m Part B Locate the center of mass of the system shown in the figure if m2=m4=2m1=2m3. Express your answers using two significant figures separated by a comma. xCM, yCM = ______2,2___________ m Part C Locate the center of mass of the system shown in the figure if m1 = 1.3kg , m2 = 2.2kg , m3 = 2.8kg , and m4 = 4.4kg . Express your answers using two significant figures separated by a comma. xCM, yCM =_________________ m Just need help with this part! thanks :D

Explanation / Answer

Center of Mass (x,y)= [(m1x1+m2x2+m3x3+m4x4)/(m1+m2+m3+m4) , (m1x1+m2x2+m3x3+m4x4)/(m1+m2+m3+m4)]

                            =[(1.3*0+2.2*0+2.8*4+4.4*4)/10.7 , (1.3*0+2.2*4+2.8*4+4.4*0)/10.7]

                             =(2.69,1.87)

Xcm =2.68 cm
Ycm =1.87 cm

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