35=4.9*t^2

Solution for 35=4.9*t^2 equation:

Simplifying
35 = 4.9t2

Solving
35 = 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.
35 + -4.9t2 = 4.9t2 + -4.9t2

Combine like terms: 4.9t2 + -4.9t2 = 0.0
35 + -4.9t2 = 0.0

Add '-35' to each side of the equation.
35 + -35 + -4.9t2 = 0.0 + -35

Combine like terms: 35 + -35 = 0
0 + -4.9t2 = 0.0 + -35
-4.9t2 = 0.0 + -35

Combine like terms: 0.0 + -35 = -35
-4.9t2 = -35

Divide each side by '-4.9'.
t2 = 7.142857143

Simplifying
t2 = 7.142857143

Take the square root of each side:
t = {-2.672612419, 2.672612419}