A QUE DISTANCIA SOBRE UNA MESA DEBE COLOCARSE UNA FUENTE DE 50 cd, PARA QUE PRODUZCA SOBRE ELLA LA MISMA INTENSIDAD QUE PRODUCIRIA UNA LAMPARA DE 150 cd UBICADA A 10 m DE DISTANCIA.

What is the mass of the same rock on the earth

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.