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NEET UG

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Centre of mass and Collision

Centre of mass

Quick practice

Question 1 of 5

A geometry consists of a square and a disc as shown in Fig. It is made up of an iron sheet of uniform density. The y-co-ordinate of centre of mass of the geometry with respect to point O is :

A

(4+3 \pi) \mathrm{a}

B

\frac{4 a+3 \pi a}{4+\pi}

C

3a

D

\frac{4 a+3 \pi a}{4+3 \pi}

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