Figure 8 shows a student before and during a bungee jump - AQA - GCSE Physics - Question 6 - 2023 - Paper 1
Question 6
Figure 8 shows a student before and during a bungee jump.
The diagram is not to scale.
In position B, the student is moving towards the river and the bungee cord i... show full transcript
Worked Solution & Example Answer:Figure 8 shows a student before and during a bungee jump - AQA - GCSE Physics - Question 6 - 2023 - Paper 1
Step 1
How do the energy stores in position B compare with the energy stores in position A?
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Answer
Energy store
Less than at A
The same as at A
More than at A
The student’s gravitational potential energy
✓
The student’s kinetic energy
✓
The bungee cord’s elastic potential energy
✓
Step 2
Calculate the elastic potential energy stored by the bungee cord.
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Answer
To calculate the elastic potential energy (Eₑ) stored by the bungee cord, we use the formula:
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Answer
Bungee cord C will have a smaller extension than A or B because it needs to exert the greatest spring constant to accommodate the heaviest jumper.
Step 4
Which bungee cord would be safest to use for a person with a large weight?
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Answer
Bungee cord A would be safest for a person with a large weight because it has the greatest extension before snapping, allowing for more tolerance under pressure.
