Periodic time:

$\overline{){\mathbf{T}}{\mathbf{=}}{\mathbf{2}}{\mathbf{\pi}}\sqrt{\frac{\mathbf{m}}{\mathbf{K}}}}$

m = 8.0 kg

K = 313.6 N/m

The device pictured in Figure 16.46 entertains infants while keeping them from wandering. This 8.0-kg child bounces in a harness suspended from a door frame by a spring constant, K =313.6 N/m

What is the time for one complete bounce of this child?

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