Question

Please help me, what equation should i use? how do i do this?

An angry mob lynches a physics teacher after receiving their grades. They throw the physics teacher off a tall building. They throw the physics teacher straight down with a velocity of 20 m/s. The teacher falls for 3.0 seconds before landing on a stack of empty card board boxes. How high was he thrown from?

Answer 1

Answer:

First you have to use formula v = u+ at to find acceleration. Then you have to use s= ut + 1/2 at square formula to find distance .