Understanding E=mc^2

What does the equation E=mc^2 imply about the relationship between mass and energy?

• Mass and energy are unrelated.

• Mass is a form of energy.

• Energy is always greater than mass.

• Mass is always greater than energy.

What was the name of the atomic bomb dropped on Hiroshima?

• Tiny Man

• Big Boy

• Little Boy

• Fat Man

Approximately how much uranium was used in the 'Little Boy' bomb?

• 600 to 860 micrograms

• 600 to 860 milligrams

• 600 to 860 kilograms

• 600 to 860 grams

How much energy was released by the atomic bomb dropped on Hiroshima?

• 15,000 tons of TNT

• 1,500 tons of TNT

• 150 tons of TNT

• 15 tons of TNT

To what common object is the mass of 860 milligrams compared?

• A coin

• A paperclip

• A button

• A pen cap