(25\%) Problem 3: A mass is connected to a spring and is allowed to move horizontally. The mass is at a position \( L \) when the spring is unstretched. The mass is then moved, stretching the spring, and released from rest. It then moves with simple harmonic motion.
\( 33 \% \) Part (a) At the instant that the mass passes through the position where the spring is unstretched, what can be said about its instantaneous acceleration?
It is non-zero but not maximum. \( \bigcirc \) It is zero.
It is maximum.
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