The wave form of a traveling simple harmonic wave at time is as shown. If the kinetic energy of point is decreasing now, then .
选项:
A:The elastic potential energy of point is decreasing
B:The wave travels in negative direction of axis
C:The oscillatory kinetic energy of point is increasing
D:Energy density of each point of the wave does not change with time
发布时间:2024-06-21 10:23:40