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“If each box of a dumb waiter weighs 10 pounds, and one pound on either box...

“If each box of a dumb waiter weighs 10 pounds, and one pound on either box is necessary to overcome friction, what weight is in a box descending 8 feet per second 4 seconds after starting down?  What is the momentum of the descending box?”

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The figure was missing.i attached the figure here..please upload the full question next time so that we can help you better.

Please upvote.. thanks

genius_generous answered 2 years ago
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