Doppler Rocket

3B40.103 | Bc1
Catalog: 
3B40.103
Location: 
Bc1
Room: 
PS F175
Quantity: 
1
Setup Time: 
20 minutes, you need to practice the horizontal mode.
  • In the horizontal mode two string with rope handles and collision pads are pulle
    In the horizontal mode two string with rope handles and collision pads are pulled apart which shoots the rocket forward. It should travel toward and away from the audience to hear the Doppler shift.
  • In the circular mode the rocketis swung over your head.
    In the circular mode the rocketis swung over your head.
  • The handles resemble those used for kite flying. The rubber cylinders are to sof
    The handles resemble those used for kite flying. The rubber cylinders are to soften the impact. There are 30 m of rope. Note the switch on the rocket.
Date Added: 
Thursday, June 29, 2006 - 12:00am
Description: 

The Doppler shift can be produced with either circular or horizontal motion.

Instructions: 


1 Flip switch to turn on the sound.
2 Circular motion: Pass the rope through the rocket and then tie a reliable knot. Swing the rocket overhead.
3 Horizontal motion:Two lengths of equal length ropes pass through the center of the rocket. There are pads to absorb the impact and handles.
  a. Pull the ropes tight between two students.
  b. Pull the rope handles aparart and immediately bring them together again. This will propell the rocket forward.
  c. When the rocket gets to the end repeat the process by the other student pulling the rope handles apart.

Purpose: 
To show the shift in the frequency of sound due to motion.
Parts: 


rocket
rubber impact cyclinders (4)
handles (4)
rope (30 m)