A piece of brass 0.12 m² in cross sectional area is cooled by 20 $\circ$ C and is stretched by a force of 74 * 10⁵ N.What is the fractional change in length? ($\alpha$_Brass = 19 * 10^-6 C^-1,Y_Brass = 9.0 * 10¹⁰ N/m²) A)2.42 * 10^-2 B)1.12 * 10^-3 C)5.11 * 10^-4 D)0.534 E)3.05 * 10^-4

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The Answer of A piece of brass 0.12 m² in cross sectional area is cooled by 20 $\circ$ C and is stretched by a force of 74 * 10⁵ N.What is the fractional change in length? ($\alpha$_Brass = 19 * 10^-6 C^-1,Y_Brass = 9.0 * 10¹⁰ N/m²) A)2.42 * 10^-2 B)1.12 * 10^-3 C)5.11 * 10^-4 D)0.534 E)3.05 * 10^-4

A Piece of Brass 0 ∘\circ∘ C and Is Stretched by a Force of 74

A Piece of Brass 0 $\circ$ C and Is Stretched by a Force of 74