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1. A
   0.5 m
2. B
   0.166 m
3. C
   0.33 m
4. D
   1 m

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1. A
   256 Hz
2. B
   512 Hz
3. C
   754 Hz
4. D
   768 Hz

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1. A
   -285.8 kJ/mol
2. B
   -241.8 kJ/mol
3. C
   0 kJ/mol
4. D
   +285.8 kJ/mol

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1. A
   cos(2x)
2. B
   2 cos(2x)
3. C
   -cos(2x)
4. D
   -2 cos(2x)

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1. A
   sin(3x)
2. B
   -sin(3x)
3. C
   3 sin(3x)
4. D
   -3 sin(3x)

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1. A
   a
2. B
   b
3. C
   c
4. D
   d

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1. A
   a
2. B
   b
3. C
   c
4. D
   d

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1. A
   0.5 m
2. B
   0.166 m
3. C
   0.33 m
4. D
   1 m

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1. A
   256 Hz
2. B
   512 Hz
3. C
   754 Hz
4. D
   768 Hz

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1. A
   -285.8 kJ/mol
2. B
   -241.8 kJ/mol
3. C
   0 kJ/mol
4. D
   +285.8 kJ/mol

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1. A
   cos(2x)
2. B
   2 cos(2x)
3. C
   -cos(2x)
4. D
   -2 cos(2x)

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1. A
   sin(3x)
2. B
   -sin(3x)
3. C
   3 sin(3x)
4. D
   -3 sin(3x)

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1. A
   $15\text{ }m,37^{\circ}$ North to East
2. B
   $15\text{ }m,37^{\circ}$ East to North
3. C
   $15\text{ }m,37^{\circ}$ North to West
4. D
   None of these

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1. A
   $\frac{1}{3}\text{ }mm/s$
2. B
   $3\text{ }mm/s$
3. C
   $\frac{1}{3}\text{ }cm/s$
4. D
   $3\text{ }cm/s$

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