Question

E = mv^2 Work out the value of E when m = 3 and v = 10

Answer 1

E = mv²
E = (3)(10)²
E = (3)(100)
E = 300

Answer 2

$E=mv^2\ \ \ \ \ | subtitute\ m=3\ and\ v=10\\\\ E=3*10^2\\\\ E=3*100=300\\\\Solution\ is\ E=300.$