number 5 please . A stèeel wire, 1.00m long, has a diameter of 1.50 mm. If a mas

Question

number 5 please

. A stèeel wire, 1.00m long, has a diameter of 1.50 mm. If a mass of 10.0 kg is hung from the wire, by how much will it stretch? (Ystel 21 x 100 Pa) A copper wire, 1.00 m long has a diameter of 0.750 mm. When an unknown weight is suspended from the wire it stretches 0.200 mm. What was the load (i.e, weight) placed on the wire? 4. A coil spring stretches 4.00 cm when a mass of 500 g is suspended from it. What is the force constant of the spring? 5. A brass cube, 5.00 cm on a side, is subjected to a tangential force. If the angle of shear is measured in radians to be 0.01 rad, what is the magnitude of the tangential force? (Sbrass -3.6 x 1010 Pa) A cube of lead 15.0 cm on a side is subjected to a uniform pressure of 5.00x 10 N/m By how much does the volume of the cubic change? (Bread-7.7 x 109 Pa) 7. A pressure of 1.013 x 107 N/m2 is applied to a volume of a 15.0 m3 of water. If the bulk modulus of water is 0.020 x 1010 N/m2, by how much will the water be compressed?

Explanation / Answer

shear stress = Force/area

Strain = delta x/l

Shear modulus = shear stress/shear strain

F/A = S deltax/l

Force F = S delta x A/l

F = 3.6 e10 * 0.01* 25*10^-4

Tangential force F = 900 kN

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