D. Lovely phy2053 9. A 1.50-m-long steel piano wire has a diameter of 0 30 cm....

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science physics

Answer 1

Answer #1

9)

let the tension in the wire

Young modulus = stress/strain

2 *10^11 = (T/(pi * (0.30/2 *10^-2)^2))/(0.0020/1.50)

2 *10^11 * (0.0020/1.50)= (T/(pi * (0.30/2 *10^-2)^2))

solving for T

T = 1885 N

the tension in the cable is 1885 N

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Answer 2

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