Ram is standing in a room. His height is 5 feet 5 inches. There is a wire hanging above him whose length is 3 feet. A bulb is attached to the end of it whose length is negligible. The bulb and Ram's head are separated by a few feet, which is unknown. Ram has a ball and a stopwatch with him. Using those two things, how Ram will calculate the height of the room?

• If he has good aim, he will throw ball to cut the hanging wire and note the time 't' taken by bulb to touch the ground.
  Using s=ut + 0.5 * t^2 where u=0, and a=g
  he can find the distance of bulb from ground and add 3 ft length of wire to get height of room.
• 11 years agoHelpfull: Yes(2) No(1)