Question
Asked Feb 18, 2020
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How much work is done by tension from initial position to the bottom of the swing? V=3.33m/s at the bottom. 

A 24.0 kg child plays on a swing having support
ropes that are 2.10 m long. A friend pulls her back
until the ropes are 43.0 ° from the vertical and
releases her from rest.
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A 24.0 kg child plays on a swing having support ropes that are 2.10 m long. A friend pulls her back until the ropes are 43.0 ° from the vertical and releases her from rest.

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Expert Answer

Step 1

Work done,

Physics homework question answer, step 1, image 1

Step 2

Force,

Physics homework question answer, step 2, image 1

Step 3

In this case, d is the rope extends.

Physics homework question answer, step 3, image 1

...

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