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Figure 10-83 is an overhead view of a sp...

Figure 10-83 is an overhead view of a spring lying on a frictionless surface and attached to a pivot at its right end. The spring has a relaxed length of `l_(0)=1.00` and negligible mass. A small 0.100 kg disk is attached to the free end at the left. That disk is then given a velocity `vecv_(0)` of magnitude 11.0 m/s perpendicular to the spring's length. The disk and spring then move around the pivot. (a) When the stretching of the spring reaches its maximum value of `0.100l_(0)`, what is the speed of the disk? (b) What is the spring constant?

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(a) 10 m/s, (b) 210 N/m
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