phillipsk74851 phillipsk74851
  • 08-03-2024
  • Physics
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What is the speed of the 20-lb smooth collar when it reaches point b if released from rest at position a, given that it is attached to a spring with an unstretched length of 4 ft?
a) 0 ft/s
b) 2 ft/s
c) 4 ft/s
d) 8 ft/s

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