A girl accidentally drops her stuff toy at from the lobby of a 10-storey hotel where they are staying during their vacation. A gardener working on ground saw what happened and tried tp catch the toy before it reaches the ground. If it takes 4 seconds for the stuff toy to get into the hands of the gardener, what is the velocity of the toy when the gardener catches it?
1 answer
v = -gt = -9.81*4 = ____ m/s