A block of mass 4.00 kg is placed against a horizontal spring of constant k = 835 N/m and pushed so the spring compresses by 0.0500 m. (a) What is the elastic potential energy of the block-spring system (in J)? (b) If the block is now released and the surface is frictionless, calculate the block's speed (in m/s) after leaving the spring.
A block of mass 4.00 kg is placed against a horizontal spring of constant k = 835 N/m and pushed so the spring compresses by 0.0500 m. (a) What is the elastic potential energy of the block-spring system (in J)? (b) If the block is now released and the surface is frictionless, calculate the block's speed (in m/s) after leaving the spring.
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A block of mass 4.00 kg is placed against a horizontal spring of constant k = 835 N/m and pushed so the spring compresses by 0.0500 m.
(a)
What is the elastic potential energy of the block-spring system (in J)?
(b)
If the block is now released and the surface is frictionless, calculate the block's speed (in m/s) after leaving the spring.
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