A 10-Kg Mass Oscillates Along the X Axis with Simple Harmonic

question 48

Multiple Choice

A 1.0-kg mass oscillates along the x axis with simple harmonic motion.Its position as a function of time is given by where the units are SI.When t = 2 s,the kinetic energy of the mass is

• A)\(\pi\)²/24 J
• B)\(\pi\)²/72 J
• C)2\(\pi\)²/9 J
• D)4\(\pi\)²/9 J
• E)\(\pi\)²/4 J

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