13. A light elastic cord of length lo = 5.0 m and stiffness k = 50 N/m is inside n fixed box with a small portion of length xo 20 cm left out of a hole on u wall of the box as shown in the figure. If the cord is pulled out of the box, a frictional force F= 25 N acts on the cord. How much work has to be done in slowly pulling out the entire length of the cord? Am, FUo-K.) + E (1- M216) =132.25 3
13. A light elastic cord of length lo = 5.0 m and stiffness k = 50 N/m is inside n fixed box with a small portion of length xo 20 cm left out of a hole on u wall of the box as shown in the figure. If the cord is pulled out of the box, a frictional force F= 25 N acts on the cord. How much work has to be done in slowly pulling out the entire length of the cord? Am, FUo-K.) + E (1- M216) =132.25 3
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13. A light elastic cord of length lo = 5.0 m and stiffness k 50 N/m is inside
a fixed box with a small portion of length xo 20 cm left out of a hole on
a wall of the box as shown in the figure. If the cord is pulled out of the
box, a frictional force F = 25 N acts on the cord. How much work has to
be done in slowly pulling out the entire length of the cord?
Ans: Fllo-Ko) + E(1-M/%6) =132.25 J
ealination 0 with the
Answer is also mentioned in picture containing the
question. Kindly check the answer before submitting
the solution. do not just substitute values in
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