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JAMB - Physics (2003 - No. 8)

A piece of stone attached to one end of a string is whirled round in a horizontal circle and the string suddenly cuts. The stone will fly off in a direction
perpendicular to the circular path
parallel to the circular path
tangential to the circular path
towards the center of the circle

คำอธิบาย

AS the stone is whirled round and te string suddenly cuts, say at A, B, C or D. The stone will fly off in the direction indicated VA, VB, VC or VD respectively which is tangential to the circular path

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