Author Question: A carousel that is 5.00 m in radius has a pair of 600-Hz sirens mounted on posts at opposite ends of ... (Read 74 times)

clippers! · **on:** Jul 29, 2018

A carousel that is 5.00 m in radius has a pair of 600-Hz sirens mounted on posts at opposite ends of a diameter. The carousel rotates with an angular velocity of 0.800 rad/s. A stationary listener is located at a distance from the carousel.

The speed of sound is 350 m/s. The longest wavelength reaching the listener from the sirens is closest to A) 57.0 cm.
B) 57.7 cm.
C) 58.3 cm.
D) 59.0 cm.
E) 59.6 cm.

Question 2

Moving electric charges will interact with

A) an electric field.
B) a magnetic field.
C) both of these
D) none of the above