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A simple pendulum, consisting of a mass on a string of length L, is undergoing small oscillations with amplitude A.

a. The mass is increased by a factor of four. What is true about the period?

b. The length is increased by a factor of four. What is true about the period?

c. The amplitude is doubled. What is true about the period? d. The pendulum is taken to the Moon. Which of the following is true about the period?

A novelty clock has a 0.0095-kg mass object bouncing on a spring which has a force constant of 1.3 N/m.

a. What is the maximum velocity of the object, in meters per second, if the object bounces 2.15 cm above and below its equilibrium position?

b. How much kinetic energy, in joules, does the object have at its maximum velocity?

Sagot :

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