eugenia

who is prince henry and what did he discoverd

What affects does HIPAA have on medical coding? I have a project to do on this, can you help me out?

a string 180 cm long resonates in a standing wave that has 3 segments when driven by a 270hz vibrator. What is the speed of the waves on the string? (answer in book 324 m/s) frequency = 270 hz segments of wave = 3 v= f x wave I don't know what to do.... h...

3seconds after a gun is fired, the person who fired the gun hears an echo. How far away was the surface that reflected the sound of the shot? (book answer is 510m) speed of sound 340m/s time = 3seconds dont know what to do