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Infinite number of bricks are placed one...

Infinite number of bricks are placed one over the other as shown in the figure. Each succeeding brick having half the length and breadth of its preceding brick and the mass of each succeeding bricks being `(1//4)^(th)` of the preceding one. Taking `'O'` as the origin, the `x` coordinate of centre of mass of the system of bricks is at

A

`-(a)/(7)`

B

`(3a)/(7)`

C

`-(3a)/(7)`

D

`-(2a)/(7)`

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DC PANDEY ENGLISH-CENTRE OF MASS, IMPULSE AND MOMENTUM-Comprehension type questions
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  6. Comprehension # 2 When two bodies collide normally they exert equal ...

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  7. Comprehension # 2 When two bodies collide normally they exert equal ...

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  8. Two identiacal masses are as shown in figure. One is thrown upwards wi...

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  9. Two identiacal masses are as shown in figure. One is thrown upwards wi...

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  11. Comprehension # 4 When the mass of a system is variable, a thrust fo...

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  12. Comprehension # 4 When the mass of a system is variable, a thrust fo...

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