Representing and Analyzing SHM

AP Physics 1· difficulty 2/5

0 1 2 3 +4 −4 t (s) x (cm)

Reading from the graph: amplitude and period are

  • A

    4 cm4~\text{cm}, 1 s1~\text{s}

  • B

    4 cm4~\text{cm}, 2 s2~\text{s}

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  • C

    8 cm8~\text{cm}, 4 s4~\text{s}

  • D

    8 cm8~\text{cm}, 2 s2~\text{s}

Explanation

Peak x=4 cmx = 4~\text{cm} → amplitude 4 cm4~\text{cm}. One full cycle takes 2 s2~\text{s}T=2 sT = 2~\text{s}.

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