7. A helicopter is flying horizontally at 20m/s at a height of 0.18km. If a small object falls from it, how long will it take to reach the ground and what horizontal distance will it travel?
I'm going to guess x=ut so t=x/u so then i've got it because x=180 and u=20... unless it's x=0.5gt². So... t=x/2g and x=180 and g=9.81 I don't know which.
Hmm... either way, the answer is close to 9, so it doesn't really matter either way.