E=mc2

Mr. Anderson explains the famous equation E=mc², developed by Einstein, which shows the equivalence of mass and energy. He discusses the conservation of mass and energy, and how these concepts have evolved into the conservation of mass-energy. The video covers the speed of light's role in energy conversion, examples of mass-energy conversion, and the concept of binding energy in atoms. It also explores how particle accelerators demonstrate mass-energy conversion, highlighting the universal speed limit set by the speed of light.

What does the equation E=mc² primarily demonstrate?

• The conservation of momentum

• The relationship between energy and velocity

• The speed of light in a vacuum

• The equivalence of mass and energy

Why is the speed of light squared in the equation E=mc²?

• To balance the equation mathematically

• To emphasize the large amount of energy in small mass

• To account for the energy lost in conversion

• To represent the speed of sound

What happens to the mass of an atom when it is broken into its constituent parts?

• The mass remains the same

• The mass is destroyed

• The mass decreases

• The mass increases

In a particle accelerator, why can't a proton reach the speed of light?

• It would lose all its mass

• It would require infinite energy

• It would become unstable

• It would stop moving

What is the significance of the Large Hadron Collider in the context of E=mc²?

• It destroys protons

• It creates new elements

• It measures the speed of light

• It demonstrates the conversion of mass into energy

How much energy is contained in 5 kilograms of Uranium 235 according to E=mc²?

• A negligible amount of energy

• A very large amount of energy

• An infinite amount of energy

• A small amount of energy

Why was the theory of conservation of mass replaced by the theory of conservation of mass-energy?

• Because energy is always created

• Because mass and energy are interchangeable

• Because energy cannot be conserved

• Because mass is always lost