¿si se aumenta la frecuencia de las oscilaciones en el extremo de una cuerda aumentara la velocidad de propagación de la onda que en ella se propaga?

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.

What can change the speed of sound as it travels through the ocean? a. salinity only b. density and salinity c. salinity and distance from land d. density and distance from land

Which form of pure carbon is so hard that it can be used in cutting tools?