Question

Figure *a* is a partial graph of the position function *x*(*t*) for a simple harmonic oscillator with an angular frequency of 1.40 rad/s; figure *b* is a partial graph of the corresponding velocity function *v*(*t*). The vertical axis scales are set by *x*_{s} = 7.50 cm and *v*_{s} = 7.50 cm/s. What is the phase constant (from -π to π rad) of the SHM if the position function *x*(*t*) is given the form *x* = *x*_{m} cos(*ωt* + *φ*)?

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