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Half of the rectangular plate shown in figure is made of a material of density and the other half of density . The length of the plate is L. The centre of mass of the system from O is
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Correct option is B
Let area of each half is A and thickness of the plate is t.mass of Ieft half = m1 = ρ1 At, x1= L4mass of right half = m2 = ρ2 At, x2 = 3L4Now apply xcm = m1x1+m2x2m1+m2 = ρ1L+3ρ2L4(ρ1+ρ2)Similar Questions
Find the position of centre of mass of a uniform disc of radius R from which a hole of radius r is cut out. The centre of the hole is at a distance from the centre of the disc.
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