The photograph shows a man dropping an egg inside a padded box from a height - Edexcel - GCSE Physics - Question 6 - 2013 - Paper 1
Question 6
The photograph shows a man dropping an egg inside a padded box from a height.
He is investigating to see if the padding stops the egg from breaking.
(a) State the ... show full transcript
Worked Solution & Example Answer:The photograph shows a man dropping an egg inside a padded box from a height - Edexcel - GCSE Physics - Question 6 - 2013 - Paper 1
Step 1
State the type of energy which the egg gains as it falls.
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Answer
The type of energy that the egg gains as it falls is kinetic energy.
Step 2
Calculate the work done on the egg to lift it up by 20 m. State the unit.
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Answer
To calculate the work done, we use the formula:
extWork=extForceimesextDistance
Here, the force is the weight of the egg, which is 0.6 N, and the distance is 20 m.
Substituting the values, we get:
extWork=0.6imes20=12extJ
Therefore, the work done on the egg is 12 J (Joules).
Step 3
Calculate the momentum of the container.
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Answer
Momentum is calculated using the formula:
extMomentum=extMassimesextVelocity
Given that the mass of the container is 0.5 kg and its velocity is 18 m/s, substituting these values gives: