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A block of mass m is tied with an inexte...

A block of mass m is tied with an inextensible light string of length`l`. One end of the string is fixed at point 0. Block is released (from rest) at A. Find acceleration of particle during its motion in vertical plane at positions specified in column-1 and match them with column-2. Given that A and O are at same horizontal level.

`{:(,"Column -1",,"Column -2",),((A),"Highest point",(P),"Acceleration is horizontal",),((B),"At lowest point",(Q),"Acceleration is vertically",),((C),"At " theta = tan^(-1) (sqrt2) "with vertical",(R),"Acceleration is vertically downwards",),(,,(S),"Acceleration has both horizontal and vertical components",):}`

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The correct Answer is:
A - R; B - Q; C - S
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