Question

A student sees her physical science professor approaching on the sidewalk that runs by her dorm. She gets a water balloon and waits. When the professor is 2.0s from being directly under the window about 11m from the sidewalk, she drops the balloon.

Please use the equation d = 1/2gt^2 to solve it.

So far I have (t)ime 2.0s and g=9.8m/s^2    please explain how to solve using the equation I provided. I need step by step instruction to understand what to do.

Answer 1