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Albert Einstein

Includes questions about the life and works of physicist Albert Einstein.

5,059 Questions

What does each variable mean in e equals mc2?

'e' = the energy equivalent of a sample of mass

'm' = the mass of the sample of mass

'c' = the speed of light

What is the math term mc2?

Einstein proposed a formula describing the relationship between mass and energy -

it is e=mc2

where e is energy, m is mass and c is the speed of light, so the amount of energy (in juoles) is equal to the mass (in Kilograms) multiplied by the speed of light (in metres per second), all multiplied again by the speed of light.

Why didn't Einstein work on the Manhattan Project?

Einstein was a life-long pacifist.

The 700-page book "Einstein on Peace" is the most comprehensive record of everything he wrote, during his life, about Peace. It was published posthumously, by his family foundation, to counter the uninformed claims, that he gave up his pacifist convictions.

Einstein never worked on the Manhattan Project. He didn't believe that energy would be released from the atom, during his life-time. When early experiments showed that this might actually happen, Leo Szilard asked Einstein to sign a letter to FDR, telling him about this possibility.

After World War II, Einstein continued his pacifist views, and became a crusader for nuclear arms control, and peace-making through international negotiations.

If Albert Einstein came up with the theory that E equals MC2 then if we know what E and M equal too can't we just square MC to get E?

No. E = mc2 is not the same as E = (mc)2 which is what the question suggests.

Also, if you know E, why do you need to square anything to "get" E?

Why was Albert Einstein a good leader?

he did all his work and he never payed attend to his friends.

What is 535 equals m of c?

This is a Ditloid.

The answer is 535 Members of Congress.

Who won the nobelpeace prize this year?

Barrack Obama won.

Saddam hussien came a close second

ahead of josef fritzel

Who devised E equals mc2?

The famous equation E=MC2 was devised by one Albert Einstein. The equation means that the energy released when you destroy something is equal to the mass of that something times the speed of light squared, which is quite a lot.

What is the unit of E in E equals mc2?

Units

Units of 'E' are kg m^2 s^-2

or

kg(m/s)^2

or

kg m^2 / s^2

or

kg m ( m/s^2)

In words it is a mass(kg) multiplied to distance (m) multiplied to acceleration (ms^-2).

When Basic S.I. units are arranged in this manner they are referred to a Joules.