The “lead” in pencils is a graphite composition with Young’s modulus of approximately 1.0×109 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 6.8 N. The lead is 0.52 mm in diameter and 80 mm long. Round your answer to 5 decimal places. The "lead" in pencils is a graphite composition with Young's modulus of approximately 1.0x109N/m?. Calculate the change in length of the lead in an automatic pencil if you tap it straight into the pencilwith a force of 6.8 N. The lead is 0.52 mm in diameter and 80 mm long.Round your answer to 5 decimal places.

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College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter5: Further Applications Of Newton's Laws: Friction, Drag, And Elasticity

Section: Chapter Questions

Problem 31PE: (a) The "lead" in pencils is a graphite composition with a Young's modulus of about 1109 N/ m2....

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The “lead” in pencils is a graphite composition with Young’s modulus of approximately 1.0×10⁹ 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 6.8 N. The lead is 0.52 mm in diameter and 80 mm long.

Round your answer to 5 decimal places.

The "lead" in pencils is a graphite composition with Young's modulus of approximately 1.0x109
N/m?. Calculate the change in length of the lead in an automatic pencil if you tap it straight into the pencil
with a force of 6.8 N. The lead is 0.52 mm in diameter and 80 mm long.
Round your answer to 5 decimal places.

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