Una muestra de mineral pesa 17,5 en el aire, pero si, se cuelga de un hilo ligero y se sumerge por completo en agua, la tensión en el hilo es de 11,20 . Calcular.
a) El volumen de la muestra.
b) La densidad de la misma.
Tener en cuenta que la densidad del agua es 1000
3

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

If y gets smaller as x gets bigger and y have an relationship?

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.