A 0.20-kg mass is oscillating on a spring over a horizontal
frictionless surface. When it is at a displacement of 2.6 cm for
equilibrium it has a kinetic energy of 1.4 J and a spring potential
energy of 2.2 J. What is the maximum speed of the mass during its
oscillation (in m/s)?
选项:
A:3.7
m/s
B:4.7
m/s
C:6.0
m/s
D:6.3
m/s
E:7.8
m/s
发布时间:2024-06-02 21:09:07