A model train, with a mass of #15 kg#, is moving on a circular track with a radius of #3 m#. If the train's rate of revolution changes from #2 Hz# to #1 Hz#, by how much will the centripetal force applied by the tracks change by?
The centripetal force changes by
The centripetal force is
The change in angular velocity is
The variation in centripetal force is
By signing up, you agree to our Terms of Service and Privacy Policy
The centripetal force will decrease by a factor of 2.
By signing up, you agree to our Terms of Service and Privacy Policy
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- Any physics expert online? See the attachment.
- Two objects have masses of #42 MG# and #26 MG#. How much does the gravitational potential energy between the objects change if the distance between them changes from #8 m# to #9 m#?
- A model train, with a mass of #5 kg#, is moving on a circular track with a radius of #9 m#. If the train's rate of revolution changes from #5 Hz# to #9 Hz#, by how much will the centripetal force applied by the tracks change by?
- An object with a mass of #2 kg# is revolving around a point at a distance of #5 m#. If the object is making revolutions at a frequency of #2 Hz#, what is the centripetal force acting on the object?
- A model train, with a mass of #6 kg#, is moving on a circular track with a radius of #7 m#. If the train's rate of revolution changes from #4 Hz# to #0 Hz#, by how much will the centripetal force applied by the tracks change by?

- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7