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PREDICTION CHALLENGE: ROLLING OBJECTS
GIVEN: A ring and a disk, inclined plane, meterstick, stopwatch
TASK: Predict which object will reach the bottom of the incline first.
POSTER: Multiple representations should include: energy bar chart(s)
EXTENSION: Determine the speed of each object at the bottom of the incline.
Include a complete derivation of the equations.
(Thanks to Dolores Gende for this activity)
Problem Scenario follow up
A hoop (hollow cylinder) and a solid sphere are rolling along a level surface at 4.2 m/s when they encounter an incline of 27°.
a. How far along the incline will the hoop roll before coming to a stop?
b. How far along the incline will the solid sphere roll before coming to a stop?
Source: Book of Phyz. Dean Baird
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