A model train with a mass of #3 kg# is moving along a track at #8 (cm)/s#. If the curvature of the track changes from a radius of #12 cm# to #18 cm#, by how much must the centripetal force applied by the tracks change?
1 Answer
Jul 22, 2017
Explanation:
The centripetal acceleration is give by the foluma :
Let's calculate first the acceleration with radius of
Now for the radius of
So the change is :