Cash Advance (CA) Telegraphic Transfer (T/T) Cash in Advance (CID)
100 Piece Per Month
3 Days
Sample costs shipping and taxes has to be paid by the buyer
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Product Description
Spring constant apparatus a hanger with a light aluminium pointer, a small scale etched on a plane mirror strip, weights, a timer. change in the length of the spring. Here k is the constant of proportionality, known as the spring constant or force constant.