3 2 4 1 A plate in the form of a semicircle of radius a has

Last updated: 6/27/2023

3 2 4 1 A plate in the form of a semicircle of radius a has a mass per unit area of kr where k is a constant and r is the distance from the centre of the straight edge By dividing the plate into semicircular rings find the distance of th centre of mass of the plate from the centre of its straight edge 1 3a 2 2 a 2 3 3a 4 a n