Question

A flowerpot is knocked off a balcony 23.9 m above the sidewalk and falls toward an unsuspecting 1.93 m tall man who is standing below.

How close to the side walk can the flower pot fall before it is too late for a warning shouted from the balcony to reach the man in time? Assume that the man below requires 0.138 s to respond to the warning, and the velocity of sound in air to be 341 m/s. The acceleration of gravity is 9.8 m/s2 .

Answer in units of m.

Answer 1