Q. Two pipes of equal length are each open at one end. Each has a fundamental frequency of 460 Hz at 305 K. In one pipe the air temperature is increased to 310 K. If the two pipes are sounded together, what beat frequency results?
Q. A 15 g rifle bullet traveling 190 m/s buries itself in a 3.8 kg pendulum hanging on a 3.0 m long string, which makes the pendulum swing upward in an arc. Determine the horizontal component of the pendulum's maximum displacement.