A cable breaks if stretched by more than 2mm. It is cut into two equal parts. By how much either part can be stretched without breaking?
A cable breaks if stretched by more than 2mm. It is cut into two equal parts. By how much either part can be stretched without breaking?
Explanation
If the original cable breaks at a stretch of 2 mm, each half will have half the length and thus half the maximum stretch:
Maximum stretch for half = 2 mm / 2 = 1 mm.