What is the weight of the staging
The person in the middle weighs 270 N, and the tensions in each rope are 200 N. What is the weight of the staging?
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A man doing push-ups pauses in the position shown in the figure. His mass = 71 . A) Determine the normal force exerted by the floor on each hand.
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You wish to resolve the calcium-H line at 396.85 nm from the hydrogen- line at 397.05 nm in a first-order spectrum.
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