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A Brass Key $\alpha$ = 19 * 10^-6 ^$\circ$C^-1 $\beta$

Question 8

Multiple Choice

A brass key ( $\alpha$ = 19 * 10^-6 ^$\circ$C^-1, $\beta$ = 57 * 10^-6 ^$\circ$C^-1) is heated from 20.0^$\circ$C up to 180.0^$\circ$C.If the initial length is 6.00 cm,what is the final length?

A) 6.00 cm
B) 6.02 cm
C) 6.05 cm
D) 6.0547 cm
E) 6.30 cm

A Brass Key α\alphaα = 19 * 10-6 ∘\circ∘ C-1 β\betaβ

Multiple Choice

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A Brass Key $\alpha$ = 19 * 10^-6 ^$\circ$C^-1 $\beta$

Correct Answer:
Verified
Unlock this answer now
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