Solving the Crime Scene Riddle: Can You?

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SUMMARY

The forum discussion revolves around a riddle involving a murder scene where a man was shot, and a bullet lodged in a chair. Key details include a bullet weight of 5 grams, a gun with a nozzle velocity of 350 m/sec, and a barrel length of 26 inches. Participants debate the feasibility of using physics to determine if the gun could have caused the chair's movement, emphasizing the need for additional data such as the friction coefficient between the chair and the floor. The conversation highlights the complexities of ballistics and the importance of complete information in solving such riddles.

PREREQUISITES
  • Understanding of basic physics principles, particularly momentum and energy transfer.
  • Familiarity with ballistics, including bullet weight and muzzle velocity.
  • Knowledge of friction coefficients and their role in motion analysis.
  • Experience with problem-solving techniques in physics-related riddles.
NEXT STEPS
  • Research the principles of momentum conservation in physics.
  • Study the effects of friction on motion, particularly in static and kinetic scenarios.
  • Explore ballistics analysis techniques, including energy calculations for projectiles.
  • Investigate common riddles and puzzles in forensic science to enhance problem-solving skills.
USEFUL FOR

Forensic science enthusiasts, physics students, and anyone interested in solving complex riddles involving physics and ballistics.

  • #31
If a chicken and a half can lay an egg and a half in a day and a half, then how long will it take for a cockroach to kick all the seeds out of a cucumber.
 
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  • #32
Funny thread :smile: :biggrin:
 
  • #33
Guillochon said:
A dead man and a monkey are in a room. The man is holding a lighter, wearing a tutu, covered in baking soda and glued upside-down to the far wall. The monkey is spinning rapidly while playing a rendition of Mozart on his tuba. In the room are a puddle of water, 3 strands of blonde hair, blood on the ceiling, two pitchforks, a broken television full of cottage cheese, and a bowling ball with 7 finger holes. Using this information, what is the escape velocity for an electron from a pulsar in a chaotic orbit with two companion stars in a dark matter halo?
42

Text added to satisfy a curious criterion.
 
  • #35
ForensicCrime said:
The pool of water and blood riddle is the oldest one in the book!
Well, it wasn't very old when the thread was posted... :biggrin:
 
  • #36
DaveC426913 said:
Well, it wasn't very old when the thread was posted... :biggrin:

:smile: :smile: :smile:​
 
  • #37
DaveC426913 said:
An otherwise empty room, locked from the inside. On the floor is some broken glass, a puddle of water and a body. What went down here?

If its the same one I heard before...
A goldfish bowl fell off a table and broke leaving broken glass, water, and the dead body of a fish on the floor.
 
  • #38
Tom Mattson said:
Here's a much less challenging one. A man was found stabbed to death. All that was found at the crime scene was the corpse, a puddle of blood, and a puddle of water. The detective claims that he can figure out the murder weapon from that information alone. What do you think it was?

ice …. shaped like a knife :rolleyes:
 

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