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Forces, motion and energy · Discover & try

Where does stored height energy go?

Reading level 3 of 5 · IndependentChange
1 · Shorter sentences5 · More detail

The model computes released energy as mgΔh. Without losses, that becomes ½mv². With the selected loss fraction, only the remaining share becomes kinetic energy. The thermal bar is accumulated energy transferred, not a temperature reading. The original drawn slope is a display path rather than a surveyed track.

Word help
Potential energy

Energy associated with configuration, such as height in a gravitational field.

Kinetic energy

Energy associated with motion.

Thermal transfer

Energy transferred into internal motion rather than the cart’s bulk motion.

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See how it works

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Calculated energy accounting near Earth; selected loss fraction and schematic track are not a real ride design.

What to look for
  • Add height, motion and thermal bars.
  • Compare speed with different masses at one drop.
  • Distinguish thermal energy from temperature.
Explain what you noticed

A different cart releases 100 J of gravitational energy. If 25 J becomes thermal energy, how much becomes kinetic energy in this model?

Keep this idea: A decrease in gravitational potential energy can become kinetic energy and other energy forms.

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