A model train with a mass of #8 kg# is moving along a track at #9 (cm)/s#. If the curvature of the track changes from a radius of #27 cm# to #81 cm#, by how much must the centripetal force applied by the tracks change?
1 Answer
May 22, 2016
Change in centripetal force
Explanation:
From
Solve for
Replace
Subtract
But
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