Question

Someone please help! important.

Answer 1

x = 4.9t²

Explanation:

x is directly proportional to t²

x = kt²

When t = 2 , x = 19.6

Substitute into the equation

x = kt²

19.6 = k * 2²

19.6 = k * 4

19.6 = 4k

k = 19.6/4

k = 4.9

Substitute the value of k into the equation:

x = kt²

x = 4.9t²