a block attached to a spring undergoes SHM on a horizontal frictionless surface. Its total energy is 50J. What is the KE, when x=1/2 A?
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14.25 . A small block is attached to an ideal spring and is mov- ing in SHM on a horizontal frictionless surface. The amplitude of the motion is 0.165 m. The maximum speed of the block is 3.90 m/s. What is the maximum magnitude of the acceleration of the block?
A 0.60-kg block attached to a spring with a force constant 130 N/m is free to move on a frictionless, horizontal surface as in Figure 15.1. The block is released from rest when the spring is stretched to 0.13 m. At the instant the block is released, find (a) the force on the block and (b) its acceleration.
Figure 15.1 A block attached to a spring and moving on a frictionless surface.
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