Circular Motion - Page 6
Questions
- A model train, with a mass of #6 kg#, is moving on a circular track with a radius of #4 m#. If the train's kinetic energy changes from #24 j# to #42 j#, by how much will the centripetal force applied by the tracks change by?
- A model train with a mass of #2 kg# is moving along a track at #6 (cm)/s#. If the curvature of the track changes from a radius of #12 cm# to #8 cm#, by how much must the centripetal force applied by the tracks change?
- A model train, with a mass of #9 kg#, is moving on a circular track with a radius of #4 m#. If the train's kinetic energy changes from #33 j# to #36 j#, 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 #7 m#. If the object is making revolutions at a frequency of #5 Hz#, what is the centripetal force acting on the object?
- A model train with a mass of #4 kg# is moving along a track at #21 (cm)/s#. If the curvature of the track changes from a radius of #42 cm# to #140 cm#, by how much must the centripetal force applied by the tracks change?
- A model train with a mass of #8 kg# is moving along a track at #15 (cm)/s#. If the curvature of the track changes from a radius of #45 cm# to #225 cm#, by how much must the centripetal force applied by the tracks change?
- A model train, with a mass of #12 kg#, is moving on a circular track with a radius of #6 m#. If the train's kinetic energy changes from #120 j# to #36 j#, by how much will the centripetal force applied by the tracks change by?
- An object with a mass of #6 kg# is revolving around a point at a distance of #4 m#. If the object is making revolutions at a frequency of #15 Hz#, what is the centripetal force acting on the object?
- A model train, with a mass of #4 kg#, is moving on a circular track with a radius of #15 m#. If the train's kinetic energy changes from #32 j# to #12 j#, 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 #7 Hz#, what is the centripetal force acting on the object?
- A model train with a mass of #3 kg# is moving along a track at #16 (cm)/s#. If the curvature of the track changes from a radius of #15 cm# to #18 cm#, by how much must the centripetal force applied by the tracks change?
- 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 kinetic energy changes from #25 j# to #40 j#, by how much will the centripetal force applied by the tracks change by?
- A model train with a mass of #9 kg# is moving along a track at #18 (cm)/s#. If the curvature of the track changes from a radius of #32 cm# to #42 cm#, by how much must the centripetal force applied by the tracks change?
- A model train with a mass of #4 kg# is moving along a track at #6 (cm)/s#. If the curvature of the track changes from a radius of #32 cm# to #48 cm#, by how much must the centripetal force applied by the tracks change?
- A model train, with a mass of #2 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 #2 Hz#, by how much will the centripetal force applied by the tracks change by?
- A model train, with a mass of #3 kg#, is moving on a circular track with a radius of #4 m#. If the train's rate of revolution changes from #3 Hz# to #2 Hz#, by how much will the centripetal force applied by the tracks change by?
- A model train with a mass of #1 kg# is moving along a track at #4 (cm)/s#. If the curvature of the track changes from a radius of #160 cm# to #60 cm#, by how much must the centripetal force applied by the tracks change?
- A model train, with a mass of #3 kg#, is moving on a circular track with a radius of #8 m#. If the train's rate of revolution changes from #1/4 Hz# to #1/7 Hz#, by how much will the centripetal force applied by the tracks change by?
- A model train, with a mass of #2 kg#, is moving on a circular track with a radius of #5 m#. If the train's rate of revolution changes from #1/9 Hz# to #1/5 Hz#, by how much will the centripetal force applied by the tracks change by?
- A model train, with a mass of #2 kg#, is moving on a circular track with a radius of #8 m#. If the train's rate of revolution changes from #1/2 Hz# to #2/7 Hz#, by how much will the centripetal force applied by the tracks change by?