if the spring stretches 0.190 m while supporting a 6.4 kg child, what is its spring constant (in n/m)? 330 correct: your answer is correct. n/m (b) what is the time (in s) for one complete bounce of this child? 0.87 correct: your answer is correct. s (c) what is the child's maximum velocity (in m/s) if the amplitude of her bounce is 0.190 m? m/s