One end of a vertical metallic wire of length 2.8 m and diameter 2.0 mm is attached to a ceiling, and the other end is attached to a 5.0 N weight pan, as shown below. REFER TO PICTURES FOR THE QUESTION. I AM HAVING TROUBLE WITH THE ONE PART.

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One end of a vertical metallic wire of length 2.8 m and diameter 2.0 mm is attached to a ceiling, and the other end is attached to a 5.0 N weight pan, as shown below.

REFER TO PICTURES FOR THE QUESTION.

I AM HAVING TROUBLE WITH THE ONE PART.

The position of the pointer before the pan is 4.000 cm. Different weights are then added to the pan area, and the position of the pointer is recorded in the table shown.
Added Joad
(including pan)
(N)
Scale reading
(cm)
4.000
15
4.084
25
4.139
35
4.195
45
4.248
55
4.303
65
4.362
75
4.418
85
4.473
Plot stress versus strain for this wire.
Stress (Pa)
Stress (Pa)
Stress (Pa)
4.8
1.5
2. x 10-7
4.6
1.5 x 10-7
4.4
1.0
4.2
1.× 10-7
4.0
0.5
5. x 10-8
3.8
Strain (mm/m)
Strain (mm/m)
Strain (mm/m)
500
1000
1500
2000
2500
3000 O
0.5
1.0
1.5
2.0 2.5 3.0 3.5
20
40
60
80
Transcribed Image Text:The position of the pointer before the pan is 4.000 cm. Different weights are then added to the pan area, and the position of the pointer is recorded in the table shown. Added Joad (including pan) (N) Scale reading (cm) 4.000 15 4.084 25 4.139 35 4.195 45 4.248 55 4.303 65 4.362 75 4.418 85 4.473 Plot stress versus strain for this wire. Stress (Pa) Stress (Pa) Stress (Pa) 4.8 1.5 2. x 10-7 4.6 1.5 x 10-7 4.4 1.0 4.2 1.× 10-7 4.0 0.5 5. x 10-8 3.8 Strain (mm/m) Strain (mm/m) Strain (mm/m) 500 1000 1500 2000 2500 3000 O 0.5 1.0 1.5 2.0 2.5 3.0 3.5 20 40 60 80
Stress (Pa)
3.0 x 10
2.5 x 10
2.0 x 10
1.5 x 107
1.0 x 10
5.0 × 10
Strain (mm/m)
0.5
1.0
1.5
Use the resulting curve to determine Young's modulus of the metal (in Pa).
3.673
X Pa
What metal is this most likely to be?
O aluminum
O lead
O copper
O iron
Transcribed Image Text:Stress (Pa) 3.0 x 10 2.5 x 10 2.0 x 10 1.5 x 107 1.0 x 10 5.0 × 10 Strain (mm/m) 0.5 1.0 1.5 Use the resulting curve to determine Young's modulus of the metal (in Pa). 3.673 X Pa What metal is this most likely to be? O aluminum O lead O copper O iron
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