Respuesta :
Answer: The force constant of the spring is 116.1N/m
Explanation: Please see the attachments below


Answer:
116.11 N/m.
Explanation:
Given:
Period, T = 1.7 s
Mass, M = 8.5 kg
T = 2pi × sqrt(M/k)
1.7 = 2pi × sqrt(8.5/k)
0.0732 = 8.5/k
k = 116.11 N/m.