A-Level
EDEXCEL
Physics
January 2014
1 Marks
QP-201401-Physics-U1 · Question 7
Question (excerpt):
7 A force of 15 N is applied to a wire of cross-sectional area 3.0 × 10–6 m2. The wire extends by 1% of the original length. The Young modulus of the wire, in N m–2, can be found from A 15 1 3 0 10 6 …
7 A force of 15 N is applied to a wire of cross-sectional area 3.0 × 10–6 m2. The wire extends by 1% of the original length. The Young modulus of the wire, in N m–2, can be found from A 15 1 3 0 10 6 …
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