Two wires made of the same Two wires made of the same material are
stretched by equal forces. The second wire
is twice as long as the first one and also has
twice the diameter of the first wire.
If the first wire is stretched by 7.7 cm, then
by how long is the second wire stretched?

Respuesta :

The second wire is stretched by 15.4 cm long provided the two-wire are made of the same materials and equal forces.

What is the Young's Modulus of Elasticity?

Young's Modulus of Elasticity explains the elastic characteristics of a solid experiencing tension or compression in a unilateral direction

Here,  the material used is a wire which returns to its length after being stretched or compressed.

From the parameters given:

  • There are two wires with the same materials, stretched by equal forces.

If the second wire is as twice as first, then:

  • 2x = x

where;

  • x = first wire = 7.7 cm
  • 2x = second wire = 7.7 cm × 2 = 15.4 cm

Learn more about Young's Modulus of Elasticity here:

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