Question

Einsteins famous equation Elittle0mc^2 means that
(A) matter is convertd to energy when it travels at a speed equal to the square of the speed of light
(B) the rest mass of an object varies with the speed of the object
(C) an object has no energy unless it is moving
(D) matter can be converted into energy and vice versa
I said D am i correct

Answer 1

Yes D is the answer, A is partially correct, but it neglects to state that Energy can also be turned into matter, while D states both that energy can be converted to mass and vice versa.

Answer 2

That is also what i thought thank you so much :)