1. you work in a clock shop and are dealing with an irate customer whose clock you are restoring. they notice that the period of the pendulum in their clock is 2 s and they want to double it. so they insist that you replace the pendulum with one of the same dimensions but just heavier. so you do this. when you get the clock repaired, you and the customer check out the clock's period and find it to be
2. a sound wave has a wavelength of 20 cm. what is the frequency of the sound? the speed of sound is 343 m/s.
3. a water wave has a frequency of 0.5 hz, and the waves crests are 5 meters apart. what is the speed of the wave?