A cylindrically shaped piece of collagen (a substance found in the body in connective tissue) is being stretched by a force that increases from 0 to 0.0398 N. The length and radius of the collagen are, respectively, 2.03 cm and 0.0791 cm, and Young's modulus is 3.1 x 106 N/m². (a) If the stretching obeys Hooke's law, what is the spring constant k for collagen? (b) How much work is done by the variable

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A cylindrically shaped piece of collagen (a substance found in the body in connective tissue) is being stretched by a force that increases
from 0 to 0.0398 N. The length and radius of the collagen are, respectively, 2.03 cm and 0.0791 cm, and Young's modulus is 3.1 x 106
N/m². (a) If the stretching obeys Hooke's law, what is the spring constant k for collagen? (b) How much work is done by the variable
force that stretches the collagen?
(a) Number
(b) Number
i
i
Units
Units
Transcribed Image Text:A cylindrically shaped piece of collagen (a substance found in the body in connective tissue) is being stretched by a force that increases from 0 to 0.0398 N. The length and radius of the collagen are, respectively, 2.03 cm and 0.0791 cm, and Young's modulus is 3.1 x 106 N/m². (a) If the stretching obeys Hooke's law, what is the spring constant k for collagen? (b) How much work is done by the variable force that stretches the collagen? (a) Number (b) Number i i Units Units
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