Luden’s Echo

Here is the answer for the question – Luden’s Echo. You’ll find the correct answer below

Luden’s Echo

The Correct Answer is

Rod + Tear

Reason Explained

Rod + Tear is correct for Luden’s Echo

See also  1. Suppose the ends of a 20-m-long steel beam are rigidly clamped at 0C to prevent expansion. The rail has a cross-sectional area of 30 cm2. What force does the beam exert when it is heated to 40C? (steel = 1.1 105/C, Ysteel = 2.0 1011 N/m2).

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