A model train, with a mass of 8 kg, is moving on a circular track with a radius of 2 m. If the train's kinetic energy changes from 8 j to 48 j, by how much will the centripetal force applied by the tracks change by?
1 Answer
Jun 9, 2016
I found that it changes of
Explanation:
I can use the definition of Kinetic Energy:
We know that centripetal force is:
so:
and: