Wei

A bank robber, after completing his heist, jumps into his getaway car and drives away from the scene of a crime, down a straight highway at 40 m/s. A police vehicle follows in pursuit, leaving the bank 2 minutes after the robber left. If the police travel...

A child is playing with a remote-controlled racecar on the fire escape of a sixth-floor apartment. An accidental turn sends the car through the railing and over the edge of the fire escape. Explain why the time it takes for the car to fall does not depend...