Mr. and Mrs. Tew attended this summer band concert to her their son play his violin. When they sat down in their seats, they not
iced that there were dead moments. That is, places in the music when they could not hear anything! They decided to move and sit directly in front of the band in the third row. How can you explain the dead spots they experienced? A) Some sound waves cancelled each other out.
B) Sound waves reflected off of the ceiling and walls.
C) The sound waves underwent constructive interference.
D) Some of the students stopped playing for a few seconds.
<span>Some sound waves cancelled each other out.</span><span> All </span>waves<span> experience </span>interference<span>. Sometimes equal and opposite </span>waves<span> can cancel each other out. This is called </span>destructive interference<span>.</span>
Una secadora de cabello tiene una resistencia de 10Ω al circular una corriente de 6 Amperes, si está conectado a una diferencia de potencial de 120 V, durante 18 minutos ¿Qué cantidad de calor produce?, expresado en calorías
