1. The problem statement, all variables and given/known data A lift in which a man is standing is moving upwards with a speed 10 m/s. The man drops a coin from a height of 4.9 m and if g = 9.8 m/s2 - then after what time does the coin reach the floor. 2. Relevant equations x = 0.5*g*t2 x = ut + 0.5*g*t2 3. The attempt at a solution I know this is quite a simple problem - my point is, why does an observer inside the elevator observe the coin touching the floor at t = 1s while the observer on the ground would observe the coin touching the floor at t = sqrt(2) - 1 s ?