A simple pendulum of length 1.00 m has a mass of 100 g attached. It is drawn back 30.0º and then released. What is the maximum speed of the mass?( )
选项:
A:1.14 m/s
B:3.13 m/s
C:2.21 m/s
D:1.62 m/s
E:2.56 m/s
发布时间:2024-04-24 19:32:16