A mass of 0.20 kg, hung from a spring with a spring constant of 80.0 N/m, is set into an up-and-down simple harmonic motion. If the mass is displaced from equilibrium by 0.10 m and released from rest, what is its speed when moving through the equilibrium point?
选项:
A:0
B:1.4 m/s
C:2.0 m/s
D:3.4 m/s
发布时间:2024-04-24 19:32:16