Practice Mass–energy Equivalence (5.6) - Theme A: Space, Time and Motion
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Mass–Energy Equivalence

Practice - Mass–Energy Equivalence

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the equation E=mc² represent?

💡 Hint: Think about what the letters E, m, and c stand for.

Question 2 Easy

What is rest energy?

💡 Hint: Remember the formula for rest energy.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does E=mc² illustrate?

Mass can be created
Mass and energy are interchangeable
Energy can be lost

💡 Hint: Consider the meaning behind the equation.

Question 2

True or False: Rest energy is present only when an object is moving.

True
False

💡 Hint: Think about what energy means at rest.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A particle has a rest mass of 0.5 kg. If it moves at 0.5c, calculate its total energy.

💡 Hint: Use the mass-energy equivalence formula to solve.

Challenge 2 Hard

If a nuclear reaction converts 0.001 kg of mass into energy, how much energy is released?

💡 Hint: Substitute the mass into the equation E = mc² to find energy.

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Reference links

Supplementary resources to enhance your learning experience.