Chemistry, 01.10.2021 01:00 xavier0329
A painter and his helper are standing on a scaffold. The painter weighs 400 newtons. The helper weighs 300 newtons. The tension in a rope A is 925 newtons. The tension in rope B is 825 newtons. What Is the weight of the board?
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A painter and his helper are standing on a scaffold. The painter weighs 400 newtons. The helper weig...
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