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Problem: A small particle of mass 0.225kg is moving on a circle of radius 2m.
A- Find the angular momentum of the particle when its speed is 8m/s.
I need expert help to solve the above problem.
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 0.0076 m/s2 less than that at sea level. Determine what is the observatory altitude in kilometer
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