Question

A 200-kg load is hung on a wire of length 4.00 m, cross-sectional area 0.2 cm^2, and Young’s modulus 8.00 x 10^10 N/m^2 . What is its increase in length?

Answer 1

Answer:

Given data:

m

=

200

k

g

is the mass hung to the wire

L

=

4.00

m

is the length of the wire

A

=

0.200

×

10

−

4

m

2

is the cross-sectional area of the wire

E

=

8.00

×

10

10

N

/

m

2

is Young's modulus of the given material

Young's modulus is given by:

the rest is in the pic