The largest tendon in the body, the achilles tendon connects the calf muscle to the heel bone of the foot. this tendon is typically 25.0 cm long, is 5.0 mm in diameter, and has a young’s modulus of 1.47×109 n/m2 . if an athlete has stretched the tendon to a length of 26.1 cm, what is the tension (in newtons and pounds) in the tendon?

1269.98883 N or 285.51907 lbf

Explanation:

L = Length of tendon = 25 cm

= Change in tendon length

r = Radius of tendon = 5/2 = 2.5 mm = 0.0025 m

A = Area =

T = Tension

Y = Young's modulus =

Young's modulus is given by

Converting to lbf

The tension in the tendons is 1269.98883 N or 285.51907 lbf

answer: 0

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explanation: in any substance/object, the particles inside it (atoms/molecules) constantly move in random directions and with random speeds (this motion is called brownian motion). as a result, the particles have some kinetic energy (which is proportional to the temperature of the substance).

explanation:

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