una fuente sonora produce un sonido con frecuencia de 750Hz, calcular su longitud de onda en: a) el aire b) el agua considere la magnitud de la velocidad del sonido en el aire de 340m/s y en el agua de 1435m/s

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?