Asked Nov 14, 2019
A block of mass 2.00 kg is placed against a horizontal spring of constant k = 775 N/m and pushed so the spring compresses by 0.0800 m.
What is the elastic potential energy of the block-spring system (in J)?
If the block is now released and the surface is frictionless, calculate the block's speed (in m/s) after leaving the spring.

Expert Answer

Step 1

(a) the elastic potential ...


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1 Р.Е- 2 1 (775N/m)(0.0800m) 2 = 2.48J


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