Question

Sam dropped a stone from her bedroom window.How high is the window if the stone travels for 2 seconds?

Answer 1

d = Vi*t + (1/2)a*t^2

Because the stone is dropped, initial velocity is 0.

Acceleration is due to gravity, g=9.81m/s/s.

d = (1/2)g*2^2
d=?

Answer 2

19.6