The distance D covered by a falling ball varies as the square of the time take T, calculate the distance when the time taken is 13 seconds and the time taken for a distance of 648m.

Answer 1

D = kT^2
when T=13, D = 169k
when D=648, T = √(648/k)

Supply the missing info, and you can get numbers.

Answer 2

as in i need d solution