A mass of 11 kg is suspended from the ceiling by an aluminium wire of length 2m and diameter 2 mm. What is: (a) the extension produced, (b) the elastic energy stored in the wire? The Young's modulus of aluminium is 7x 10" Pa (Nm). [S]

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A mass of 11 kg is suspended from the ceiling
by an aluminium wire of length 2m and
diameter 2 mm. What is:
(a) the extension produced,
(b) the elastic energy stored in the wire?
The Young's modulus of aluminium is
7 x 101° Pa (Nm).
[S]
Transcribed Image Text:A mass of 11 kg is suspended from the ceiling by an aluminium wire of length 2m and diameter 2 mm. What is: (a) the extension produced, (b) the elastic energy stored in the wire? The Young's modulus of aluminium is 7 x 101° Pa (Nm). [S]
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