Representing and Analyzing SHM

AP Physics 1· difficulty 2/5

0 1 2 3 +A −A t (s) x

The xx-vs-tt graph shows SHM of amplitude AA. What is the period?

  • A

    2.0 s2.0~\text{s}

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  • B

    4.0 s4.0~\text{s}

  • C

    3.0 s3.0~\text{s}

  • D

    1.0 s1.0~\text{s}

Explanation

The curve completes one full cycle every 2 s2~\text{s} (from x=0x=0 going up, back to x=0x=0 going up again), so T=2.0 sT = 2.0~\text{s}.

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