A 025-Kg Mass Is Oscillating on a Spring Over a Horizontal

question 35

Multiple Choice

A 0.25-kg mass is oscillating on a spring over a horizontal frictionless surface.When it is at a displacement of 2.8 cm for equilibrium it has a kinetic energy of 1.4 J and a spring potential energy of 2.3 J.What is the maximum speed of the mass during its oscillation?
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• A) 3.8 m/s
• B) 0.2 m/s
• C) 5.4 m/s
• D) 4.7 m/s
• E) ​3.4 m/s

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