formula E=mc^2,
A.when two masses collide, we always get a lot of light
B.a little bit of mass can be converted into a substantial amount of energy
C.energy can travel much faster than light (in fact its speed can be the speed of light squared)
D.mass has to travel at the speed of light before it can produce any energy
I pretty sure its D.
2007-03-25 14:46:46 · 10 answers · asked by ast10177 1 in Science & Mathematics ➔ Astronomy & Space
It's B.
Nuclear reactors don't travel at the speed of light, but they still make a lot of electricity.
2007-03-25 14:50:43 · answer #1 · answered by morningfoxnorth 6 · 0⤊ 0⤋
It's B. The equation in this form is telling you that E(energy) is equal to m(mass) times the speed of light (already a large number) squared nontheless (an even bigger number). It's also important to note in this formula that c (the speed of light) is a constant value, so in other words no matter what happens to the values of E and m, the value of c does not change.
So if you plug in a very small number for the mass, once multiplied by the speed of light squared, a very large number will be returned for the value for E (energy).
2007-03-25 15:01:15 · answer #2 · answered by BP 7 · 0⤊ 0⤋
Just to clarify:
The reason it's not either of those last two is because light is energy. And even if it weren't, orthodox science says nothing can exceed the speed of light. This is because of Einstein's special relativity, which says if an object made it to the speed of light, time would be stopped for it.
2007-03-25 15:02:10 · answer #3 · answered by Marcus.M.Braden 2 · 1⤊ 0⤋
Correct answer is B. This is what nuclear reactors and stars do. Atoms are converted into other atoms, and a tiny portion of the mass gets converted into energy during the process.
2007-03-25 15:51:10 · answer #4 · answered by eagedeon 3 · 0⤊ 0⤋
it's B
A little bit, of mass, because it's multiplied by the speed of light (3.00 x 10^8 m/s) squared, can be converted into alot of energy.
2007-03-26 06:09:19 · answer #5 · answered by mcdonaldcj 6 · 0⤊ 0⤋
Definitely B.
Energy equals mass x speed ( or velocity)squared.
Eg; 1 pound x 2miles/sec squared = 4 units of energy.
2007-03-25 15:05:05 · answer #6 · answered by Wendy 5 · 0⤊ 1⤋
The correct answer is B, the equation is called the rest energy of the mass, so the mass is at rest.
2007-03-25 14:51:12 · answer #7 · answered by Anonymous · 0⤊ 0⤋
B.
Can't be D because mass can't go light speed thru space.
2007-03-25 16:01:42 · answer #8 · answered by Anonymous · 0⤊ 0⤋
D sounds like the best answer
2007-03-25 15:40:03 · answer #9 · answered by Diana D 2 · 0⤊ 1⤋
nope it's B
that's what the equation says
2007-03-25 15:04:08 · answer #10 · answered by Anonymous · 0⤊ 0⤋