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29)
Velocity down different ramps
20 degrees 30 degrees 40 degrees
0.5 seconds after release 1.5 m/s
1.7 m/s 1.8 m/s
1.0 seconds after release
2.9 m/s
3.3 m/s
3.5 m/s
1.5 seconds after release 4.3m/s 4.9 m/s 5.1 m/s
it is released down 3 ramps. The 3 ramps have different angles.
The table indicates the velocity of a marble
The same marble was used for each test.
What does the table suggest about the acceleration of the marble and why?