Per fer una ecografia, la màquina d’ultrasons emet ones sonores que viatgen pel cos del pacient a una velocitat de 1.540 m/s. Quina magnitud mesura la màquina per
calcular la distància a la que es troba l’òrgan del cos que es vol estudiar?

Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves

How do you tell if someone actually cares about you? and just say they do?

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.