2.5=4.9t^2

Solution for 2.5=4.9t^2 equation:

Simplifying
2.5 = 4.9t2

Solving
2.5 = 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.
2.5 + -4.9t2 = 4.9t2 + -4.9t2

Combine like terms: 4.9t2 + -4.9t2 = 0.0
2.5 + -4.9t2 = 0.0

Add '-2.5' to each side of the equation.
2.5 + -2.5 + -4.9t2 = 0.0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + -4.9t2 = 0.0 + -2.5
-4.9t2 = 0.0 + -2.5

Combine like terms: 0.0 + -2.5 = -2.5
-4.9t2 = -2.5

Divide each side by '-4.9'.
t2 = 0.5102040816

Simplifying
t2 = 0.5102040816

Take the square root of each side:
t = {-0.714285714, 0.714285714}