## anonymous one year ago Which equation is not equivalent to the formula e = mc? m equals e over c c equals e over m e = cm m equals c over e

1. anonymous

@imqwerty

2. imqwerty

e=mc divide both sides by c $\frac{ e }{ c }=\frac{ mc }{ c }=>\frac{ e }{ c }=m$so clearly we can see that 4th one is wrong.

3. Michele_Laino

Hint: let's start from m=c over e, then i multiply botth sides by e, so I can write this: $m \cdot e = \frac{c}{e} \cdot e$

4. anonymous

wait .. so d is the right answer?

5. Michele_Laino

correct!

6. anonymous

ok ty both

7. Michele_Laino

:)