Original post by user342
Not sure but could be something to do with friction and energy lost as heat and/or sound
Ah it will do, thanks for the help
Original post by HANGRY123
How do I answer this 2 mark question:As the person moves down the zip wire, her increase in kinetic energy is less than her decrease in gravitational potential energy. Explain why.
Work is done against the air resistance, causing thermal energy to transfer to the surroundings
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