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2-8 Electrical Potential Surface
Description : Measures and graphs the distribution
of electric potential on the surface of
a paper.
Probe : Voltage Probe
File Name : ELEPOTSF
*Change the set up screen’s Fix setting to 1 before
executing this program.
2-9 Free Fall of Ball and Repulsion
Coefficient
Description : Graphs the height, speed, and changes
in acceleration over time of a falling ball,
and determines the repulsion coeffi-
cient from the height of the rebound.
Probe : Motion Detector
File Name : FREEFALL
2-10 Distance from Light Source
and Intensity
Description : Determines the relationship
between the distance from a light
source and illuminance.
Probes : Light Prove, Motion Detector
File Name : LIGHTINT
2-11 Lissajous Curves
Description : Produces a Lissajous curve using
two sine waves for which a simple
integral ratio is established.
Probes : Two Voltage Probes
File Name : LISSAJOU
Motion detector
To EA-100
Volley ball,
basket ball, etc.
Stand
To
EA-100
Direction of
motion
Light sensor
Motion detector
Book or other support
Guideline
Light bulb inside
of cardboard
box with hole
Low-frequency Oscillator
Low-frequency Oscillator
CH1
CH2
Move + terminal
during measurement
Attach terminal
– terminal
(fixed)
Paste
conductive
paper to thick
paper
Use pencil to
draw gridline