The viscid silk produced by the European garden spider (Araneus diadematus) has a resilience of 0.35. If 10.0 J of work are done on the silk

Question

The viscid silk produced by the European garden spider (Araneus diadematus) has a resilience of 0.35. If 10.0 J of work are done on the silk to stretch it out, how many Joules of work are released as thermal energy as it relaxes?

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Lệ Thu 2 weeks 2021-07-18T23:25:39+00:00 1 Answers 3 views 0

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    2021-07-18T23:26:54+00:00

    Answer: The energy released as thermal energy is 6.5 J

    Explanation:

    Energy stored by the spider when it relaxes is given by:

    E_o=\text{Resilience}\times \text{Work}

    We are given:

    Resilience = 0.35

    Work done = 10.0 J

    Putting values in above equation, we get:

    E_o=0.35\times 10\\\\E_o=3.5J

    Energy released at thermal energy is the difference between the work done and the energy it takes to relaxes, which is given by the equation:

    E_T=\text{Work done}-E_o

    Putting values in above equation, we get:

    E_T=(10-3.5)=6.5J

    Hence, the energy released as thermal energy is 6.5 J

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