please help me answer these two questions i have only one more question to ask
the x coordinate of center of mass is
x cm = sum Area . xi/ total area
= ( 2L- 7L ) ( -L) + ( 4L .L) . 2L + ( 2L. 2L). L/( 2L. 7L) +( 4L. L) + ( 2L. 2L)
= - 2L^3/ 22 L^2
= - L/11
=-16/11 = -1.45 cm
the y coordinate of center of mass is
y cm = sum of area . yi/ total area
= ( 2 L . 7 L) ( -0.5 L) + ( 4L . L) ( 2.5 L) + ( 2L. 2L) ( - 3L)/ ( 2 L. 7L) + ( 4 L L) + ( 2L. 2L)
= - 9L/ 22
= - 9 ( 16)/ 22
=-6.54 cm
(2)
x cm = 37 (0) + 68 ( 7.7)/68 + 37 = 4.98 m
please help me answer these two questions i have only one more question to ask Chapter...
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