Question

Mathematic Hell

Answer 1

Just going to work this one out

Answer 2

\[h(t) = -4.9t^2 + v _{i}t + h _{i}\]

\[0 = -4.9t^2 + (0)t + 25\]

\[0 = -4.9t^2 + 25 \]

\[4.9t^2 = 25\]

\[t^2 = \frac{ 25 }{ 4.9}\]

\[t = \pm \sqrt \frac{ 25 }{ 4.9}\]

Answer 3

Is that what you did?

Answer 4

Yes but i didnt end up with a radical?

Answer 5

Yeah cause I'm not writing out decimals on here, lol. You're correct.

Answer 6

oh XD

Answer 7

i was like "god damn it i did it wrong"

Answer 8

Believe in yourself :)