Asked by Kelsey
A uniform solid ball rolls smoothly along a floor, then up a ramp inclined at 13.5 degrees. It momentarily stops when it has rolled 1.65 m along the ramp. What was its initial speed?
Answers
Answered by
Morgan
How far vertically does it move? What is the final mechanical energy (the sum of U and the two types of K)? What, then, was the initial mechanical energy? What is the rotational inertia (see Table 10-2)? How is the angular speed related to the com speed?
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