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Emeline
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A 7.40 lb rock sits on top of a 76.0 foot cliff. it is pushed off. What is the energy in Joules of the rock just before it hits
1 answer
407 views
Some researchers believe that the dinosaur Barosaurus held its head erect on a long neck, much as a giraffe does. If so, fossil
1 answer
805 views
Suppose that a grandfather clock (a simple pendulum) is running slowly. That is, the time it takes to complete each cycle is
2 answers
2,229 views
