Mass and energy (AQA A-Level Physics): Quizzes

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Mass and energy
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What does E=mc2E = mc^2 demonstrate?

Mass and energy are interchangeable

In m=m01−v2c2m = \frac{m_0}{\sqrt{1 - \frac{v^2}{c^2}}}, what does m0m_0 represent?

Rest mass of the object

What happens to relativistic mass as velocity approaches cc?

It approaches infinity

At what speed are relativistic equations required?

Over 1/10th of cc

What is the formula for rest energy E0E_0?

m0c2m_0 c^2

What did Bertozzi's experiment demonstrate?

Mass increases with speed

In Bertozzi's experiment, how was electron speed calculated?

From distance and time

In Bertozzi's experiment, how was kinetic energy measured?

By temperature increase of target

Why can no object with mass reach the speed of light?

It would require infinite energy

What does relativistic kinetic energy equal?

E−E0E - E_0 where E0=m0c2E_0 = m_0c^2

Explore AQA A-Level Physics Revision Notes by Topics

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Thermodynamics and engines

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Explore AQA A-Level Physics Flashcards by Topics

Thermodynamics and engines

The discovery of the electron

Wave-particle duality

Special relativity

Explore AQA A-Level Physics Exam Questions by Topics

Thermodynamics and engines

The discovery of the electron

Wave-particle duality

Special relativity

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