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The gravitation attractive force between two masses is F. If the masses are moved to half of their initial distance, what is the gravitational attractive force?
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Problem: A rotating platform of radius R = 4.2cm is initially at rest. It then begins to move, such that a point on its edgeexperiwnces a tangential acceleration of at = 7.5cm/s^2. A) Write an [expression] that gives the ...
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