AE-3-9 The 12-kg mass A in Fig. (a) slides with negligi ble friction in a semicircular trough of radius R = 2 m. The mass is launched at 0 = 30o with the velocity vo 4m/s toward the bottom of the trough. Derive the following as functions of 0: (1) the speed of the mass; and (2) the contact force between the mass and the trough. -- R=2 m

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AЕ-3-9
The 12-kg mass A in Fig. (a) slides with negligi ble friction in a semicircular
trough of radius R = 2 m. The mass is launched at 0 = 30° with the velocity Vo
4m/s toward the bottom of the trough. Derive the following as functions of 0:
(1) the speed of the mass; and (2) the contact force between the mass and the
trough.
R=2 m
Transcribed Image Text:AЕ-3-9 The 12-kg mass A in Fig. (a) slides with negligi ble friction in a semicircular trough of radius R = 2 m. The mass is launched at 0 = 30° with the velocity Vo 4m/s toward the bottom of the trough. Derive the following as functions of 0: (1) the speed of the mass; and (2) the contact force between the mass and the trough. R=2 m
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