A block of mass 2.40 kg is placed against a horizontal spring of constant k = 825 N/m and pushed so the spring compresses by 0.0750 m. HINT (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. m/s

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A block of mass 2.40 kg is placed against a horizontal spring of constant k = 825 N/m and pushed so the spring compresses by 0.0750 m.
HINT
(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.
m/s
Transcribed Image Text:A block of mass 2.40 kg is placed against a horizontal spring of constant k = 825 N/m and pushed so the spring compresses by 0.0750 m. HINT (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. m/s
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