Posted by **kate** on Wednesday, July 3, 2013 at 6:05am.

(Q1)A wire of cross- sectional area of 0.00006m2 and length 50cm stretches by 0.2mm under a load of 3000n.Calculate the Young's modulus for the wire (a)80000000000Nm-2(b)125000000000Nm-2(c)25000000000Nm-2(d)5000000000Nm-2 (Q2)a square plate of side 10cm is made of a metal of linear expansivity0.00002/k.As the plate is heated from 30c to 100c.The area of one face of the plate will increase to (a)1056cm2(b)104.2cm2(c)102.8cm2(d)101.4cm2

## Answer This Question

## Related Questions

- science-college physics - 2. A certain wire of length L, cross-sectional area A ...
- physics - A 4.0-m-long steel wire has a cross-sectional area of 0.050cm2. Its ...
- mechanics - The change in length of a steel wire under an applied load can be ...
- mechanics of materials - The change in length of a steel wire under an applied ...
- mechanics of materials - Select the correct answer.The change in length of a ...
- Physics - A 215-kg load is hung on a wire of length of 3.50 m, cross-sectional ...
- Physics - The drawing shows two crates that are connected by a steel (Young's ...
- physics - a wire whose cross-sectional area is 4mm^2 is stretched by 0.1 mm by a...
- sciencce - 2. A certain wire of length L, cross-sectional area A is extended by ...
- PHYSICS - Calculate the stress, strain and young's modulus of a wire with a ...

More Related Questions