A particle of mass m is moving in a vertical circle of radius R. When m is at the lowest position, its speed is 0.8944/5gR. The particle will move up the track to some point p at which it will lose contact with the track and travel along a path shown by the dotted line (Fig. 3.8). Show that the angular position of e will be 30°. P R 3.8

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A particle of mass m is moving in a vertical circle of radius R. When m is
at the lowest position, its speed is 0.8944/5gR. The particle will move up
the track to some point p at which it will lose contact with the track and travel
along a path shown by the dotted line (Fig. 3.8). Show that the angular position
of 0 will be 30°.
R
Fig. 3.8
Transcribed Image Text:A particle of mass m is moving in a vertical circle of radius R. When m is at the lowest position, its speed is 0.8944/5gR. The particle will move up the track to some point p at which it will lose contact with the track and travel along a path shown by the dotted line (Fig. 3.8). Show that the angular position of 0 will be 30°. R Fig. 3.8
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