Dopplers Effect, Please Help!
Homework Statement
A tuning fork vibrating at 514 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork when waves of frequency of 487 Hz reach the release point? (Take the speed of sound in air to be 343 m/s.)...
I'm also doing a similar problem.
An ethernet cable is 4.10 m long and has a mass of 0.210 kg. A transverse pulse is produced by plucking one end of the taut cable. The pulse makes four trips down and back along the cable in 0.815 s. What is the tension in the cable?
please help!