Homework Help: Physics

Posted by Max on Saturday, April 24, 2010 at 2:27am.

A brass wire with Young's modulus of 9.20 1010 Pa is 2.5 m long and has a cross-sectional area of 4.6 mm2. If a weight of 5.2 kN is hung from the wire, by how much does it stretch?

Physics - Damon, Saturday, April 24, 2010 at 7:12pm
E = 9 * 10^10

9 * 10^10 dL/2.5 = 5.2*10^3 /4.6*10^-6

9 dL /2.5 = .52/4.6

dL = .031m = 31mm = 3.1 cm

Answer this Question

Related Questions

physics - A light rigid bar is suspended horizontally from two vertical wires, ...
physics - A light rigid bar is suspended horizontally from two vertical wires, ...
Physics - A 2.2m of steel wire hangs vertically down from a support. A 1.5m ...
Physics hard... - Young's Modulus (Y) 20 X 1010 N/m2 Shear Modulus (S) 8.1 X...
physics A - A net charge of 47 mC passes through the cross-sectional area of a ...
physics - A net charge of 47 mC passes through the cross-sectional area of a ...
physics - A net charge of 47 mC passes through the cross-sectional area of a ...
physics - A net charge of 47 mC passes through the cross-sectional area of a ...
Physics - A copper wire with a length 2.0m, cross sectional area 7.1x10^-6 m^2 ...
College Physics - A wire P has resistance R. If the wire is stretched and its ...

For Further Reading

First Name:
School Subject:
Answer: