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shkell
Questions (2)
A 10,000N car is on a roller coaster. at the top of the tallest hill (position 1) the reaches a hieght 36m above the lowest
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563 views
Two 80n children sit together 3m from the center of a teeter-totter and are able to lift 460n that is 1m away from the fulcrum.
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455 views
