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PHYS1C_W07_EX1

PHYS1C_W07_EX1 - Name Date 1 The force constant of a...

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Page 1 Name: __________________________ Date: _____________ 1. The force constant of a massless spring is 25.0 N/m. A mass of 0.45 kg is oscillating in simple harmonic motion at the end of the spring with an amplitude of 0.32 m. The maximum speed of the mass is A) 5.7 m/s B) 56 m/s C) 7.4 m/s D) 2.4 m/s E) 10 m/s 2. A spring vibrates in simple harmonic motion according to the equation x = 0.15 cos π t where the units are SI. The period of the motion is A) 0.67 s B) 1.0 s C) 2.0 s D) π s E) 3.2 s 3. A clock keeps accurate time when the length of its simple pendulum is L . If the length of the pendulum is increased a small amount, which of the following is true?

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