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6) Consider a bob attached to a vertical string. At t 0, the bob is displaced to a new position where the string makes -8° with the vertical and is then released from rest. If the angular displacement 0(t) is written as a cosine function, then the phase constant o is: (a) -п/2 (b)0 (c) +a/2 (d)n 7) A bob attached to a cord is moved to the right where its vertical position is 1.05 cm above the equilibrium position and is then given an initial speed of 0.6 m/s. What are the values of the maximum speed and maximum height reached by the bob? (Take g = 9.8 m/s) (a) hmax = 1.87 cm; vx = 3.44 m/s (b) hmax = 2.89 cm; v = 0.75 m/s (c) hmax = 1.87 cm; v (d) hmax 0.75 m/s 3.44 m/s %3D = 2.89 cm; Vemax 8) A simple pendulum of length L and mass M has frequencyf.To increase its frequency to 2/: (a) decrease its length to L/4 (b) decrease its length to L/2 (c) increase its length to 2L (d) increase its length to 4L 9) A simple pendulum of length Page energy is one-half its total meeha te in-imp har--onic motion. When its potential then which ef the following is true about its

6) Consider a bob attached to a vertical string. At t 0, the bob is displaced to a new position where the string makes -8° with the vertical and is then released from rest. If the angular displacement 0(t) is written as a cosine function, then the phase constant o is: (a) -п/2 (b)0 (c) +a/2 (d)n 7) A bob attached to a cord is moved to the right where its vertical position is 1.05 cm above the equilibrium position and is then given an initial speed of 0.6 m/s. What are the values of the maximum speed and maximum height reached by the bob? (Take g = 9.8 m/s) (a) hmax = 1.87 cm; vx = 3.44 m/s (b) hmax = 2.89 cm; v = 0.75 m/s (c) hmax = 1.87 cm; v (d) hmax 0.75 m/s 3.44 m/s %3D = 2.89 cm; Vemax 8) A simple pendulum of length L and mass M has frequencyf.To increase its frequency to 2/: (a) decrease its length to L/4 (b) decrease its length to L/2 (c) increase its length to 2L (d) increase its length to 4L 9) A simple pendulum of length Page energy is one-half its total meeha te in-imp har--onic motion. When its potential then which ef the following is true about its

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6) Consider a bob attached to a vertical string. At t 0, the bob is displaced to a new position where the string makes -8° with the vertical and is then released from rest. If the angular displacement 8(t) is written as a cosine function, then the phase constant o is: (a) -1/2 (b)0 (c) +1/2 (d)m 7) A bob attached to a cord is moved to the right where its vertical position is 1.05 cm above the equilibrium position and is then given an initial speed of 0.6 m/s. What are maximum speed and maximum height reached by the bob? (Take g = 9.8 m/s-) (a) hmax (b) hmax = 2.89 cm; v = 0.75 m/s (c) hmax (d)h he values of the 1.87 cm; vmax = 3.44 m/s 1.87 cm; v = 0.75 m/s = 2.89 cm; y = 3.44 m/s 8) A simple pendulum of length Land mass M bas frequency/.To increase its frequency to 2/: (a) decrease its length to L/4 (b) decrease its length to L/2 (c) increase its length to 21 (d)increase its length to 4L 9) A simple pendulum of length Page et 2 t3 te in-mp@har--onic motion. When its potential energy is one-hall its total meeh. 62then which of the following is true about its
Transcribed Image Text:6) Consider a bob attached to a vertical string. At t 0, the bob is displaced to a new position where the string makes -8° with the vertical and is then released from rest. If the angular displacement 8(t) is written as a cosine function, then the phase constant o is: (a) -1/2 (b)0 (c) +1/2 (d)m 7) A bob attached to a cord is moved to the right where its vertical position is 1.05 cm above the equilibrium position and is then given an initial speed of 0.6 m/s. What are maximum speed and maximum height reached by the bob? (Take g = 9.8 m/s-) (a) hmax (b) hmax = 2.89 cm; v = 0.75 m/s (c) hmax (d)h he values of the 1.87 cm; vmax = 3.44 m/s 1.87 cm; v = 0.75 m/s = 2.89 cm; y = 3.44 m/s 8) A simple pendulum of length Land mass M bas frequency/.To increase its frequency to 2/: (a) decrease its length to L/4 (b) decrease its length to L/2 (c) increase its length to 21 (d)increase its length to 4L 9) A simple pendulum of length Page et 2 t3 te in-mp@har--onic motion. When its potential energy is one-hall its total meeh. 62then which of the following is true about its
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