800=4.9t^2

Solution for 800=4.9t^2 equation:

Simplifying
800 = 4.9t2

Solving
800 = 4.9t2

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-4.9t2' to each side of the equation.
800 + -4.9t2 = 4.9t2 + -4.9t2

Combine like terms: 4.9t2 + -4.9t2 = 0.0
800 + -4.9t2 = 0.0

Add '-800' to each side of the equation.
800 + -800 + -4.9t2 = 0.0 + -800

Combine like terms: 800 + -800 = 0
0 + -4.9t2 = 0.0 + -800
-4.9t2 = 0.0 + -800

Combine like terms: 0.0 + -800 = -800
-4.9t2 = -800

Divide each side by '-4.9'.
t2 = 163.2653061

Simplifying
t2 = 163.2653061

Take the square root of each side:
t = {-12.777531299, 12.777531299}