Use the following data to determine the length L of a wir...
Use the following data to determine the length L of a wire when a force of 30N is applied, assuming Hooke's law is obeyed
Force applied/N051030length of wire/mm500.0500.0501.0L
3.0mm
3.5mm
503.00mm
503.5mm
506.0mm
Correct answer is C
F α e
F = ke
K = Fe=50.5=10
when F = 30, e = FK=3010=3
L = 500 + 3 = 503.00
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