The position of a 50 g oscillating mass is given by x (t) = (2.0cm) cos (10t-π/4), where t is in s. If necessary, round your answers to three significant figures. Determine:
the amplitude
2cm
the period
.628s
the spring constant
5N/m
the phase constant
-.785rad
the initial coordinate of the mass
1.41cm
the initial velocity
14.1 cm/s
maximum speed 20 cm/s
what's the total energy?
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