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The "lead" in pencils is a graphite composition with a Young's modulus of approximately 1.0×10 9 N/m2. Calculate the change in length of the lead in an automatic pencil if you tap it straight into the pencil with a force of 4.0 N. The lead is 0.50 mm in diameter and 60 mm long. 2.6 mm 0.8 mm 1.2 mm 2.4 mm

The "lead" in pencils is a graphite composition with a Young's modulus of approximately 1.0×10 9 N/m2. Calculate the change in length of the lead in an automatic pencil if you tap it straight into the pencil with a force of 4.0 N. The lead is 0.50 mm in diameter and 60 mm long. 2.6 mm 0.8 mm 1.2 mm 2.4 mm

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The "lead" in pencils is a graphite composition with a Young's modulus of approximately 1.0 × 10 9 N / m 2 . Calculate the change in length of the lead in an automatic pencil if you tap it straight into the pencil with a force of 4.0 N . The lead is 0.50 m m in diameter and 60 m m long. 2.6 m m 0.8 m m 1.2 m m 2.4 m m

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