Q1. A bucket filled with water has a mass of 20 kg and is attached to a rope, which in turn, is wound around a 0.050-m radius cylinder at the top of a well. What torque does the weight of water and bucket produce on the cylinder if cylinder is not permitted to rotate?
Q2. A 440 Hz tuning fork is used at 27 degrees Celsius. Find out the spacing's between resonances.
The frequency of a tuning fork is unknown. A student uses an air column at 27 degrees Celsius and finds resonances spaced by 34.2 cm. What is the frequency of tuning fork?
A soprano saxophone is an open pipe. If all keys are closed, it is approximately 65 cm long. Using 343 m/s as the speed of sound, find the lowest frequency that can be played on the instrument.