Q. A tuning fork vibrating at 516 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork when waves with a frequency of 489 Hz reach the release point? Take the speed of sound in air to be 340 m/s.
Q. A simple generator has a 470 loop square coil 21.0 cm on a side. How fast must it turn in a 0.360 T field to produce a 120 V peak output?