Einstein went on to present his findings mathematically: energy (E) equals mass (m) times the speed of light (c) squared (2), or E=mc2. The secret the equation revealed—that mass and energy are different forms of the same thing—had eluded scientists for centuries.
lateral surface area of this cylinder is 1584/7 or 226.28...cm square.
<span>9.80 this is what i got
</span>
