3. [-/4 Points] DETAILS MY NOTES PRACTICE ANOTHER A 2.00 kg block rests upon a frictionless, horizontal surface. The blo

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3 4 Points Details My Notes Practice Another A 2 00 Kg Block Rests Upon A Frictionless Horizontal Surface The Blo 1 (16.21 KiB) Viewed 19 times

3. [-/4 Points] DETAILS MY NOTES PRACTICE ANOTHER A 2.00 kg block rests upon a frictionless, horizontal surface. The block is attached to a horizontal spring (of force constant k-485 N/m) whose other and is anchored to a nearby wall. The block is pulled until it lies a distance x, 4.70 cm from its equilibrium posibon (x-0). The block is then released and undergoes simple harmonic motion. (a) Calculate how much work must be done (in 3) to stretch the spring from equilibrium (0) to the pre-release position (x) (b) With what speed (in m/s) does the block pass through the equilibrium position once it has been released from x m/s Need Help?